When the Bonus Army camped in front of the Capitol in 1932, the government what? used force to bring the protest to an end.
ignored the protesters until they went home.
agreed to pay promised bonuses to veterans.
launched programs to help the economy.

used force to bring the protest to an end.

Explanation:

Early 1930s was the time period when United States experienced the great economic depression.  The bonus army was a group consisted of Army veteran protestors who demanded  bonus payment for wartime services  in order to survive that depression.

Approximately, around 25,000 gathered in front of the Capitol for the protest.

The government dispatched the police to put the protest to an end since they feared that it would turned into riot. But, the protestors refused to do so. They dispatched tanks and throw tear gas in order to force the protest to end.