Answer:
fact = a thing that is known or proved to be true
value = the regard that something is held to deserve; the importance, worth, or usefulness of something
policy = a course or principle of action adopted or proposed by an organization or individual
opinion = a view or judgement formed about something, not necessarily based on fact or knowledge
assertion = a confident and forceful statement of fact or belief.
Words In Sentence:
1) "he ignores some historical and economic facts"
2) "your support is of great value"
3) "the government's controversial economic policies"
4) "that, in my opinion, is right"
5) "his assertion that his father had deserted the family"