However, because of poor soil and a drought that lasted nearly two centuries, their civilization declined by about 900 CE and they abandoned their large population centers.
1	However	however	ADV	RB	_	18	advmod	18:advmod	Discourse=context-circumstance:139->143:0|SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	1:punct	_
3	because	because	ADP	IN	_	6	case	6:case	Discourse=causal-cause:140->142:0
4	of	of	ADP	IN	_	3	fixed	3:fixed	_
5	poor	poor	ADJ	JJ	Degree=Pos	6	amod	6:amod	Entity=(258-substance-new-cf4-2-sgl
6	soil	soil	NOUN	NN	Number=Sing	18	obl	18:obl:because_of	Entity=258)
7	and	and	CCONJ	CC	_	9	cc	9:cc	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	9:det	Entity=(259-event-new-cf5-2-sgl
9	drought	drought	NOUN	NN	Number=Sing	6	conj	6:conj:and|11:nsubj|18:obl:because_of	_
10	that	that	PRON	WDT	PronType=Rel	11	nsubj	9:ref	Discourse=elaboration-attribute:141->140:0
11	lasted	last	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	acl:relcl	9:acl:relcl	_
12	nearly	nearly	ADV	RB	Degree=Pos	13	advmod	13:advmod	Entity=(260-time-new-cf6-3-sgl
13	two	two	NUM	CD	NumForm=Word|NumType=Card	14	nummod	14:nummod	_
14	centuries	century	NOUN	NNS	Number=Plur	11	obl:tmod	11:obl:tmod	Entity=260)259)|SpaceAfter=No
15	,	,	PUNCT	,	_	6	punct	6:punct	_
16	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	17	nmod:poss	17:nmod:poss	Discourse=same-unit_m:142->139:0|Entity=(261-abstract-new-cf2-2-sgl(171-person-giv:act-cf1*-1-ana-Maya_peoples)
17	civilization	civilization	NOUN	NN	Number=Sing	18	nsubj	18:nsubj	Entity=261)
18	declined	decline	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
19	by	by	ADP	IN	_	21	case	21:case	_
20	about	about	ADV	RB	_	21	advmod	21:advmod	Entity=(262-time-new-cf7-2-sgl
21	900	900	NUM	CD	NumForm=Digit|NumType=Card	18	obl	18:obl:by	XML=<date when:::"900">
22	CE	CE	ADV	RB	Degree=Pos	21	advmod	21:advmod	Entity=262)|XML=</date>
23	and	and	CCONJ	CC	_	25	cc	25:cc	Discourse=adversative-contrast_m:143->128:1
24	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	25	nsubj	25:nsubj	Entity=(171-person-giv:act-cf1*-1-ana-Maya_peoples)
25	abandoned	abandon	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	18	conj	18:conj:and	_
26	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	29	nmod:poss	29:nmod:poss	Entity=(263-place-new-cf3-4-sgl(171-person-giv:act-cf1*-1-ana-Maya_peoples)
27	large	large	ADJ	JJ	Degree=Pos	29	amod	29:amod	_
28	population	population	NOUN	NN	Number=Sing	29	compound	29:compound	Entity=(264-person-new-cf8-1-sgl)
29	centers	center	NOUN	NNS	Number=Plur	25	obj	25:obj	Entity=263)|SpaceAfter=No
30	.	.	PUNCT	.	_	18	punct	18:punct	_
