The powers work as a system of checks and balances, one branch keeps the other in check. Basically, Roosevelt was the head of the executive branch and the Judicial disliked what he did. Imagine now if all of the justices were against him, he could then just choose to increase the number of justices

i would say that the politicial parties from state to state varies.

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the colonists were also expected to pay a tax to meet the costs of establishing and manning the borders of the proclamation line which led to the belief that the king had sided with the indians despite pontiac's rebellion, against the interests of the settlers. this contributed to the causes of the american revolution.