Answer:
B. The mechanical reaper! A+C helped westward expansion..
Explanation:
<span>B-the Vietnam War. The united sates never declared war on North Vietnam</span>
It started with the Chinese Exclusion Act of 1882, but 10 years later it then came to the US opening Ellis Island in which immigrates had spent time before being able to actually enter the US.
Answer:
The French and Indian War began over the specific issue of whether the upper Ohio River valley was a part of the British Empire, and therefore open for trade and settlement by Virginians and Pennsylvanians, or part of the French Empire.
Explanation: