Means of fact, value, policy, opinion, and assertion
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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"

i feel like it is actually b.