The correct answer for 1 is D.) Gideon v. Wainwright
The correct answer for 2 is C.) University of California v. Bakke to describe affirmative action policies that negatively affected whites.
The correct answer for 3 is C.) Brown v. Board of Education
All three cases dealt with human rights and spreading equality and improving the society.
The answer is A) conservatism
In 1917, Germany attacked some passengers in submarines from the US that led the US to assist in WW1. Hope this helps!