Started to rise In the World War II
The 15th amendment, which prevents discrimination in voting, has been violated.
Answer:
Howe's harvester
Explanation:
Threshing machine (or thresher), a machine that first divides the crest of a stock of seed from the hay, and then moreover separates the grain from the rest of the top.
Howe's thresher formed raw materials inexpensive for textile production.