Here are the correct responses for each question:
Question 1: Abolitionists opposed ______________ in the United States
Response: C slavery
Question 2: Abolitionists thought that slavery was un-American. Their argument was supported by the __________ which stated that "...(A)ll men are created equal."
Response: C the Declaration of Independence
Question 3: What was the main reason northern states opposed slavery?
Response: D it was an unfair business advantage