Teddy Roosevelt and William Taft both busted trusts and big business. This was a big turn around from the laissez faire styled economy before it in the gilded age
Answer:
I'm not sure but I think its D
nationalism created ethnic tensions, resulting in civil war
Answer - B. It made people reconsider views of government and political powers.
Reasoning - Pretty much he is saying the political power and government can change the aspect of humanity and within itself by manipulation. But also republicanism rather then any monarchy or oligarchy and etc.. But yes this is just a intro.
The Jim Crow laws supported the mistreatment