Which government entity reviews laws and decides whether they are within the guidelines of the constitution?

The southern colonies practiced indentured servitude and slavery because cash crops such as tobacco and sugar required many workers. the fishing and shipping industries required many workers. imprisoned debtors were brought from africa to settle the colonies. indentured servitude and slavery were not allowed in the caribbean colonies.

Ball is tossed up in the air at its peak, it stops before beginning to fall.the ball at its peak has

The principle of checks and balances is based on the notion that