Answer:
A .broke down trade barriers
Explanation:
I did the test
Because they owned a lot of land where slaves had to raise livestock and crops
They created checks and balances so no one branch of government could have more power than any other. For example, Donald Trump is our next president, but Congress and the Supreme Court moderate what he can do.
Prorogation is the end of a parliamentary session in the Parliament of Canada and the parliaments of its provinces and territories.
