I think the answer is A like the first one.
Some crops may include tobacco and cotton.
I would say D Russian soldiers invaded Poland and found some camps
Answer
They believed that more people should immigrate to the United States and assimilate into American culture.
Explanation
Nativism was the political policy of promoting the interests of native inhabitants against those of immigrants It was a policy of favoring native inhabitants as opposed to immigrants Nativists were Americans and others who opposed immigration. They founded the Know-Nothing Party that wanted to make it difficult for immigrants to become citizens or hold office. Their main goal was to stop the flow of new immigrants to the host country.This was due to a feeling of xenophobia which is the fear of foreigners. They believed that they were the true Americans despite their being descended from immigrants themselves.