Yes, it is true that larger farms and single crop production is one way that farming in the United States changed in the late 1800s, since this was a time of great westward expansion in the United States, with many new farms opening out west.
"A- puritans and pilgrims both desired religious freedom" would be the best option from the list but since this was one of the first main reasons for settlement of the colonies, but it should be noted this applied more to Puritans.
Answer:
A. The cycle of boom and bust devastated the economies of boom towns, and few survive today.
Explanation:
The answer is colonial trade; the colonies traded with Austria and the war affected the trade practices.
Hope I helped; pretty sure this is the answer like 99.9%