Which statement explains why support for the white supremacist groups increased durning the 1920s?

The support for the white supremacist groups increased during the 1920s because wartime propaganda increased suspicion of people perceived as lacking in patriotism.

Explanation:

All the war propaganda during the 1920s was loaded with lots of patriotism and demanded citizens to respect and defend who they were as society, this opens the door to the supremacist groups exposing their point of view as a way to be patriotic and to keep their nation clean and free, the propaganda didn't only punish political opinions but also genetic heritage.

the correct answer is d

a conference committee is a group of congress representatives appointed by the senate and the house to reach an agreement over a bill that had different versions in each chamber. this is due to the fact that, to pass a law. both the house and the senate must agree on the exact same content and wording of the bill to present it to the president.