Answer:Advantages: protects individual rights, input is taken from many different sources to make a governmental decision, people are the government. Disadvantages: takes more time to make decisions, more costly. According to the State of the World Atlas, 44% of the world's population live in a stable democracy.
Containing communism and spreading the idea of freedom of speech, marketing, etc
D. The idea of separate but equal came about in plessy vs ferguson in the 1870s and brown vs board of education sought to discontinue the old practice of segregation in this instance in public schools.