Ehy does the constitution separates powers among the branches of government?

To ensure the principle of check and balance.

Explanation:

To ensure that the integrity of the nation is not threatened by despotism, the forefathers of the nation have built a system of government in which the constitution is supreme. The superiority of the Constitution is upheld by means of checks and balances. Checks and Balances refer to a mechanism that prohibits any particular branch of the federal government of the United States from gaining too much power.

in 1989, tiananmen square in beijing was the site of china’s main industries. china’s government headquarters. -pro-democracy demonstrations. (second choice)