The "Bonus Army" was the name given to a large group of World War I veterans who marched on Washington to demand that their "service certificates" be repaid to them in cash, since the Great Depression had left many without employment.
To be honest I would do some research and look it up. Or if you have a text or some resources the teacher gave you I would reread those.
It was the Democratic Party that Tammany hall supported, since it was originally created in the early days of the country to oppose the more prominent Federalist party.