They were African Americans who spoke and wrote in favor of abolition. hope this helps :)
The Marshall Plan<span> was an American initiative to aid Europe, in which the United States gave $17 billion in economic support to help rebuild European economies after the end of World War II.</span>
Answer:
Military
African Americans who served in the Civil war were treated with inadequate weapons and medical treatments. Though they were treated differently than white people, they were still treated better in the military.
Answer:
It's the last one. "The population of indigenous peoples in the Americas declined after Europeans started establishing colonies there."
Explanation:
It's the only one that isn't a statement of opinion. It's stating a solid answer without stating their own personal feelings on the topic.
I hope this helps!