Can some one help plz.

What might balance federal and state powers present a problem

At the time of hitler's 1939 invasion of poland, the us had a policy of appeasement negotiation opposition neutrality

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution. (10 points)