It was because of the discredited policies of his own Conservative Party.
1	It	it	PRON	PE	Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	was	be	VERB	V	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	because	because	ADP	E	_	7	case	_	_
4	of	of	ADP	E	_	3	fixed	_	_
5	the	the	DET	RD	Definite=Def|PronType=Art	7	det	_	_
6	discredited	discredited	ADJ	A	Degree=Pos	7	amod	_	_
7	policies	policy	NOUN	S	Number=Plur	2	obl	_	_
8	of	of	ADP	E	_	12	case	_	_
9	his	his	DET	AP	Poss=Yes|PronType=Prs	12	nmod:poss	_	_
10	own	own	ADJ	A	Degree=Pos	12	amod	_	_
11	Conservative	conservative	ADJ	A	Degree=Pos	12	amod	_	_
12	Party	Party	PROPN	SP	_	7	nmod	_	SpaceAfter=No
13	.	.	PUNCT	FS	_	2	punct	_	_
