The agreement was that Gorbachev agreed to a quite remarkable concession: he agreed to let a united Germany join the NATO military alliance.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	2:det	Discourse=evaluation-comment:37->38:0|Entity=(44-event-giv:act-cf2-2-coref
2	agreement	agreement	NOUN	NN	Number=Sing	6	nsubj:outer	6:nsubj:outer	Entity=44)
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	cop	6:cop	_
4	that	that	SCONJ	IN	_	6	mark	6:mark	_
5	Gorbachev	Gorbachev	PROPN	NNP	Number=Sing	6	nsubj	6:nsubj	Entity=(45-person-giv:act-cf1*-1-coref-Mikhail_Gorbachev)
6	agreed	agree	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
7	to	to	ADP	IN	_	11	case	11:case	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	11:det	Entity=(49-abstract-new-cf5-4-coref
9	quite	quite	ADV	RB	_	10	advmod	10:advmod	_
10	remarkable	remarkable	ADJ	JJ	Degree=Pos	11	amod	11:amod	_
11	concession	concession	NOUN	NN	Number=Sing	6	obl	6:obl:to	Entity=49)|SpaceAfter=No
12	:	:	PUNCT	:	_	14	punct	14:punct	_
13	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	14	nsubj	14:nsubj|16:nsubj:xsubj|20:nsubj:xsubj	Discourse=explanation-justify:38->23:4|Entity=(45-person-giv:act-cf1*-1-ana-Mikhail_Gorbachev)
14	agreed	agree	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	parataxis	6:parataxis	_
15	to	to	PART	TO	_	16	mark	16:mark	_
16	let	let	VERB	VB	VerbForm=Inf	14	xcomp	14:xcomp	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	19:det	Entity=(50-place-new-cf4-3-coref-Germany
18	united	unite	VERB	VBN	Tense=Past|VerbForm=Part	19	amod	19:amod	_
19	Germany	Germany	PROPN	NNP	Number=Sing	16	obj	16:obj|20:nsubj:xsubj	Entity=50)
20	join	join	VERB	VB	VerbForm=Inf	16	xcomp	16:xcomp	_
21	the	the	DET	DT	Definite=Def|PronType=Art	24	det	24:det	Entity=(29-organization-giv:inact-cf3-4-coref-NATO
22	NATO	NATO	PROPN	NNP	Abbr=Yes|Number=Sing	24	compound	24:compound	_
23	military	military	ADJ	JJ	Degree=Pos	24	amod	24:amod	_
24	alliance	alliance	NOUN	NN	Number=Sing	20	obj	20:obj	Entity=29)|SpaceAfter=No
25	.	.	PUNCT	.	_	6	punct	6:punct	_
