Answer:
The USA did not want to involve itself in any disputes that could lead to war. -The USA had had economic problems, for example the depression. -The USA did not trust Europe, especially after WW1. -The Atlantic ocean and the Pacific ocean surrounded the USA, making communication and trade inconvenient.
Douglass and the abolitionists argued that because the aim of the Civil War was to end slavery, African Americans should be allowed to engage in the fight for their freedom. Douglass publicized this view in his newspapers and several speeches.
The Bill of Rights contains the first ten amendments to the US Constitution.