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

d. the right to establish a one-house legislature

the phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

hope this : )