Answer: b. faction
Explanation:
1.
military expedition or made of heroic weapons.
2.
group of supporters of the same cause as opposed to other groups [In the Roman Empire, factions were formed between circus fighters and their respective supporters; later they formed among various groups of the city and the countryside that rivaled each other; in modernity, the term came to designate esp. each antagonistic group that disputes the political supremacy.].
gang or insurgent party.
3
political party.
BY EXTENSION
dissident fraction of a party.
