What was the main purpose of the Potsdam Conference that was held after the end World War II?

A. to determine there would be justice given to war criminals

B. to develop plans for post-war Japan

C. to exchange vital weapons secret

D. to organize a massive Allied invasion of Germany

I think that the answer is B. To develop plans or post-war Japan.

Explanation:

It appears to be the only one that applies to the Potsdam Conference

b) a state law could be declared illegal if it contradicted the constitution.

explanation:

the conflict of this case originated when james w. mcculloch, a cashier of the baltimore branch of the second bank of the united states that the congress had chartered in 1816, refused to pay a tax imposed by the maryland state.

in the case, the state of maryland appealed that the establishment of a second bank was unconstitutional since the constitution didn't say anything about granting that power to congress. however, the case determined that even if such right wasn't specifically stated in the constitution, it was part of the "implied powers" of the government enunciated in article i, section 8.

the case also eliminated maryland's legislation to impose taxes to a national bank, asserting that even though the states retained the power of taxation, the constitution's laws are supreme and can not be controlled by the states, therefore, if a state law contradicts the constitution, it should be declared illegal.

explanation:

keeping a cash reserve because cash flow is the the movement of money through a company and if it just sits there, it wont the movement