The correct answer is A intervention. The United states sent troops to protect south Korea and help to invade and fight against north Korea.<span />
Its 2 because the domestication of plants and animals was a huge things and it still helps us today
Because they rebelled against the British and demanded independence.
They were expressions of religious beliefs
Answer:
They were often poor and had few job skills
or
Unions did not allow them to become members
Explanation:
both of these are correct but the answer is probably the first one.