Question

before he became chancellor, hitler was imprisoned for a year for attempting to overthrow the weimar government. set the reichstag on fire. buy votes for the upcoming election. assassinate the weimar governments leader.

Explanation:

Hitler was imprisoned for a year after the Beer - Hall Putsch in 1923, an attempt to overthrow the Weimar government. The Reichstag fire happened later in 1933. There is no evidence of him being imprisoned for buying votes or assassinating the Weimar government's leader at that time.

Answer:

overthrow the Weimar government.