---
title: The Black Death killed perhaps a third or more of Europe's people; w… — Olympiad: cause and effect chains ★★★ · tree and pragmatics
description: The Black Death killed perhaps a third or more of Europe's people; with fewer workers left, survivors could ask for higher wages, and the old serf system weakened in western Europe. Who acts: Black Death, fewer workers, survivors, old serf system. A sentence of the lesson «Olympiad: cause and effect
---

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# Olympiad: cause and effect chains ★★★, sentence 13

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The Black Death killed perhaps a third or more of Europe's people; with fewer workers left, survivors could ask for higher wages, and the old serf system weakened in western Europe.

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**Who acts:** Black Death, fewer workers, survivors, old serf system · **What happens:** kill, leave, ask, weaken · **To what, where:** third, western Europe

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This is a sentence of the lesson «Olympiad: cause and effect chains ★★★» of the history 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 (Black Death, fewer workers, survivors, old serf system), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:history:086-olympiad-cause-and-effect-chains.lesson:13
# text = The Black Death killed perhaps a third or more of Europe's people; with fewer workers left, survivors could ask for higher wages, and the old serf system weakened in western Europe.
# source = school lesson (ours)
# course = history
# lesson = 086-olympiad-cause-and-effect-chains.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 ×3
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	4	nsubj	_	Agree=R8-pos-agree|Haiku=4:nsubj|HaikuPos=NOUN:NN:Number=Sing
4	killed	kill	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	perhaps	perhaps	ADV	RB	_	7	advmod	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	third	third	NOUN	NN	Number=Sing	4	obj	_	Agree=R8-pos-agree|Haiku=4:obj|HaikuPos=ADJ:JJ:Degree=Pos|NumForm=Word|NumType=Ord
8	or	or	CCONJ	CC	_	9	cc	_	_
9	more	more	ADJ	JJR	Degree=Cmp	7	conj	_	_
10	of	of	ADP	IN	_	13	case	_	_
11	Europe	Europe	PROPN	NNP	Number=Sing	13	nmod:poss	_	_
12	's	's	PART	POS	_	11	case	_	_
13	people	people	NOUN	NNS	Number=Plur	7	nmod	_	Agree=R5-strong|Haiku=9:obl
14	;	;	PUNCT	:	_	18	punct	_	_
15	with	with	SCONJ	IN	_	18	mark	_	_
16	fewer	few	ADJ	JJR	Degree=Cmp	17	amod	_	_
17	workers	worker	NOUN	NNS	Number=Plur	18	nsubj	_	_
18	left	leave	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	22	advcl	_	_
19	,	,	PUNCT	,	_	18	punct	_	_
20	survivors	survivor	NOUN	NNS	Number=Plur	22	nsubj	_	_
21	could	could	AUX	MD	VerbForm=Fin	22	aux	_	_
22	ask	ask	VERB	VB	VerbForm=Inf	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
23	for	for	ADP	IN	_	25	case	_	_
24	higher	high	ADJ	JJR	Degree=Cmp	25	amod	_	_
25	wages	wage	NOUN	NNS	Number=Plur	22	obl	_	_
26	,	,	PUNCT	,	_	32	punct	_	_
27	and	and	CCONJ	CC	_	32	cc	_	_
28	the	the	DET	DT	Definite=Def|PronType=Art	31	det	_	_
29	old	old	ADJ	JJ	Degree=Pos	31	amod	_	_
30	serf	serf	NOUN	NN	Number=Sing	31	compound	_	_
31	system	system	NOUN	NN	Number=Sing	32	nsubj	_	_
32	weakened	weaken	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	22	conj	_	Agree=R8-pos-agree|Haiku=22:conj|HaikuPos=VERB:VBN:Tense=Past|VerbForm=Part
33	in	in	ADP	IN	_	35	case	_	_
34	western	western	ADJ	JJ	Degree=Pos	35	amod	_	_
35	Europe	Europe	PROPN	NNP	Number=Sing	32	obl	_	_
36	.	.	PUNCT	.	_	4	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 | **kill** | past | the Black Death | a third of Europe's people |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent third=Theme |
| 2 | **leave** | past | fewer workers |  |  |  |  |  | vn escape-51.1-1-1 «NP V»: agent=Theme |
| 3 | **ask** *speech: ask* | could | survivors |  |  |  |  | for higher wages | vn inquire-37.1.2 «NP V»: agent=Agent |
| 4 | **weaken** | past | the old serf system |  |  | western Europe |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

<!-- .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:history:086-olympiad-cause-and-effect-chains.lesson:13`.

**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 ×3. **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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