I believe it became common because as civilizations grew from food abundance and population growth, the civilizations wealth in how they produced it, usually by trade in food needed to be contained. So economic specialization was needed so that their prosperity could be controlled.
Industrial revolution contributed i imperialism in a number ways.
Employed more people to create more products is the answer.
Answer:
A bill can be introduced in either chamber of Congress by a senator or representative who sponsors it. ... The president can approve the bill and sign it into law or not approve (veto) a bill. If the president chooses to veto a bill, in most cases Congress can vote to override that veto and the bill becomes a law.
Explanation:
I believe it's Donald trump