What form of government is the us federal government

Which statement is true about citizenship and the us government

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons

How many battles were confederate victories? (specifically: major battles)