What difficulties did German immigrants face in America?

Explanation:German-language books were burned, and Americans who spoke German were threatened with violence or boycotts. German-language classes, until then a common part of the public-school curriculum, were discontinued and, in many areas, outlawed entirely.

Some Germans and German-Americans were attacked during World War I. ... They could live on city streets or in towns with German names. And while many immigrants assimilated into the English-speaking mainstream, many others sent their children to German-language public schoolsDuring WWII, German nationals and German Americans in the US were detained and/or evicted from coastal areas on an individual basis. ... A total of 11,507 people of German ancestry were interned during the war, comprising 36.1% of the total internments under the US Justice Department's Enemy Alien Control Program.

the answer is c. many americans held nativist or racist views

the three roles stated in the dialogue develop the siblings' personalities.

lloyd's personality looks like a trademarketer

dana's personality is afraid from lloyd's behavior and the oldest sister is a decided person who tries to solve any conflict