I think the answer is between b and c. But the answer that I heard of in history class would be C. The fact that immigrants took away high paying jobs from union members.
Hope this helps!!
Answer:
a rise in national economic growth rates. a reduction in imports and a rise in exports. a rise in the number of health care professionals. a drop in the number and productivity of workers
Explanation:
The best answer to the question that is being presented above would be the Ordovician mass extinction. <span>Jawless fish and ocean reefs were devastated by the end of the Ordovician mass extinction. </span>
The south wanted to keep the slavery, while the north didn't.... P.S buffalo soldiers fought in the civil war and the spanish american war, buffalo soldiers were the first African american group to fight in a war