---
title: The Black Death is thought to have spread from Central Asia westward… — The Silk Road · tree and pragmatics
description: The Black Death is thought to have spread from Central Asia westward along trade routes in the 1340s, its germs carried by traders, animals, goods and fleas, reaching the Crimean port of Caffa and then the Mediterranean in 1347. Who acts: germs. A sentence of the lesson «The Silk Road» of the geogra
---

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# The Silk Road, sentence 20

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The Black Death is thought to have spread from Central Asia westward along trade routes in the 1340s, its germs carried by traders, animals, goods and fleas, reaching the Crimean port of Caffa and then the Mediterranean in 1347.

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**Who acts:** germs · **What happens:** think, spread, carry, reach · **To what, where:** Black Death, Central Asia, Crimean port

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This is a sentence of the lesson «The Silk Road» of the geography course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (germs), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:geography:028-the-silk-road.lesson:20
# text = The Black Death is thought to have spread from Central Asia westward along trade routes in the 1340s, its germs carried by traders, animals, goods and fleas, reaching the Crimean port of Caffa and then the Mediterranean in 1347.
# source = school lesson (ours)
# course = geography
# lesson = 028-the-silk-road.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×1, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	Black	black	ADJ	JJ	Degree=Pos	3	amod	_	_
3	Death	death	PROPN	NNP	Number=Sing	5	nsubj:pass	_	Agree=R8-pos-agree|Haiku=5:nsubj:pass|HaikuPos=NOUN:NN:Number=Sing
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	thought	think	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	to	to	PART	TO	_	8	mark	_	_
7	have	have	AUX	VB	VerbForm=Inf	8	aux	_	_
8	spread	spread	VERB	VBN	Tense=Past|VerbForm=Part	5	xcomp	_	_
9	from	from	ADP	IN	_	11	case	_	_
10	Central	Central	PROPN	NNP	Number=Sing	11	amod	_	_
11	Asia	Asia	PROPN	NNP	Number=Sing	8	obl	_	_
12	westward	westward	ADV	RB	_	8	advmod	_	_
13	along	along	ADP	IN	_	15	case	_	_
14	trade	trade	NOUN	NN	Number=Sing	15	compound	_	_
15	routes	route	NOUN	NNS	Number=Plur	8	obl	_	_
16	in	in	ADP	IN	_	18	case	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	1340s	1340	NOUN	NNS	Number=Ptan|NumForm=Combi|NumType=Card	8	obl	_	Agree=R5-strong|Haiku=15:nmod
19	,	,	PUNCT	,	_	21	punct	_	_
20	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	21	nmod:poss	_	_
21	germs	germ	NOUN	NNS	Number=Plur	22	nsubj	_	_
22	carried	carry	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	advcl	_	_
23	by	by	ADP	IN	_	24	case	_	_
24	traders	trader	NOUN	NNS	Number=Plur	22	obl:agent	_	_
25	,	,	PUNCT	,	_	26	punct	_	_
26	animals	animal	NOUN	NNS	Number=Plur	24	conj	_	_
27	,	,	PUNCT	,	_	28	punct	_	_
28	goods	goods	NOUN	NNS	Number=Ptan	24	conj	_	_
29	and	and	CCONJ	CC	_	30	cc	_	_
30	fleas	flea	NOUN	NNS	Number=Plur	24	conj	_	_
31	,	,	PUNCT	,	_	32	punct	_	_
32	reaching	reach	VERB	VBG	VerbForm=Ger	18	appos	_	_
33	the	the	DET	DT	Definite=Def|PronType=Art	35	det	_	_
34	Crimean	Crimean	ADJ	JJ	Degree=Pos	35	amod	_	Agree=R7-rel-agree|Haiku=35:compound|HaikuPos=PROPN:NNP:Number=Sing
35	port	port	NOUN	NN	Number=Sing	32	obj	_	_
36	of	of	ADP	IN	_	37	case	_	_
37	Caffa	Caffa	PROPN	NNP	Number=Sing	35	nmod	_	_
38	and	and	CCONJ	CC	_	41	cc	_	_
39	then	then	ADV	RB	PronType=Dem	41	advmod	_	_
40	the	the	DET	DT	Definite=Def|PronType=Art	41	det	_	_
41	Mediterranean	Mediterranean	PROPN	NNP	Number=Sing	35	conj	_	_
42	in	in	ADP	IN	_	43	case	_	_
43	1347	1347	NUM	CD	NumForm=Digit|NumType=Card	8	obl	_	_
44	.	.	PUNCT	.	_	5	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **think** *speech: other* | present · passive |  | the Black Death |  |  |  |  | vn consider-29.9-2 «NP V NP ADJ»: subject=Attribute clause=Theme |
| 2 | **spread** | to-infinitive · perfect |  |  |  | Central Asia |  | along trade routes; in the 1340s; in 1347; westward *property* | vn appear-48.1.1 «NP V PP.location»: agent=Theme along route=Location |
| 3 | **carry** | participle | Death's germs |  |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent |
| 4 | **reach** | gerund |  | the Crimean port of Caffa and the Mediterranean |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent port=Theme |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:geography:028-the-silk-road.lesson:20`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×1, R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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