A- Townshend act =)this is the correct answer
Answer:
The United States gave economic assistance through the Marshall Plan
Explanation:
Mainly because it toughened-up the Fugitive Slave Act, allowing official slave-catchers to hunt down runaways.
This recruited many new Abolitionists, and caused Harriet Beecher Stowe to write 'Uncle Tom's Cabin'.
The years were 1837-1901 it was the era queen Victoria ruled and it was a long period of peace.