The u.s. constitution was utterly unique in its time because select all that apply.

of the element of checks and balances
there were two legislative houses with elected representatives in both houses
of the idea that the president was an elected leader of a separate branch of government
the supreme court justices were appointed for life
the president could initiate a tax to maintain a standing military

The correct answers are :

of the element of checks and balances: The US Constitution created a three branch system for our federal government consisting of the executive, legislative, and judicial branches. Each of these branches have the ability to check the power of another branch. For example, the Supreme Court may rule any law made by the executive or legislative bracnh illegal if it violates the rights guaranteed in the US Constitution.

of the idea that the President was an elected leader of a separate branch of government- Before this time, my government structures had the president as part of the legislative branch.

Maintain a standing army- This allowed the US to be ready for any invasion or attack by another country. Considering that the US was formed due to an armed revolution, the developers of the US Constitution understood the importance of having a military ready to go at any given time.

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Explanation: