What do the headlines show about reaction to the boycott? •It was supportive. •It was sometimes violent. •It all took place in courtrooms.

The impression from the headlines about the reaction to the boycott was B. It was sometimes violent.

The Montgomery bus boycott was a massive protest by African Americans against the racial segregation enforced by the bus system of Montgomery, Alabama.

In 1956, civil rights activists and their supporters undertook a 381-day bus boycott, leading to the declaration by the Supreme Court that  Montgomery's segregation laws on buses were unconstitutional.

Thus, the headlines show that reactions to the boycott were sometimes violent.

Learn more Montgomery bus boycott at link

the answer is

they wanted the u.s. to fight on the side of the central powers.