The answer that would be filled in the blank is 1st
Answer:
The labor movement in the United States grew out of the need to protect the. The labor movement led efforts to stop child labor, give health benefits. Most notable were the National Labor Union, launched in 1866, and the large numbers of workers hoping to improve their immediate conditions.
Explanation:
The answer is D. Slaves became very popular and started doing the same jobs that farmers did.
There were many reasons. One being that it was winter and it was harder to gather things and keep spirits up when everyone was running low on food. It was also in bad weather.