Social critics in the 1950s feared that americans were?

Before the civil war, the south’s economy was based on enslaved labor. large cities. immigrant workers. factories.

What was the result on the u.s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.