The answer is all of the above
Bleeding Kansas describes the period of repeated outbreaks of violent guerrilla warfare between pro-slavery and anti-slavery forces following the creation of the new territory of Kansas in 1854. In all, some 55 people were killed between 1855 and 1859
Answer & Explanation:
The anti-imperialists opposed the expansion because they believed imperialism violated the credo of republicanism, especially the need for "consent of the governed". ... We hold that the policy known as imperialism is hostile to liberty and tends toward militarism, an evil from which it has been our glory to be free.
i looked it up ok