In order to officially represent a political party what candidate must be nominated by?

Even though both ww1 and ww2 were in many ways the same conflict with basically the same countries facing off against each other, the way each war started was significantly different. the question is how what were the differences on how they started

What was the plight and fight of the following groups? labor farmers native americans african americans women immigrants ~ ap u. s. history (period 6: 1865-1898)

Select all that apply. in 1830, the french king charles x