Answer:
D
Explanation:
limited individual reward
Most women that served in Vietnam were nurses<span />
The most common source for this would be the Second Treatise on Government by John Locke, the philosopher who inspired things like the French Revolution and the American Declaration of independence, precisely because of those ideas that you mentioned.
Radicalism played a significant role in the Civil Rights movement. In terms of setbacks, the views of some individuals in society made it difficult for the goals of the civil rights movement to be accomplished. For example, citizens who were in favor of segregated schools made it difficult for African-Americans to get access to an equal education. Even after the Brown vs. Board case stated that separate but equal was not legal, schools still fought to keep African-Americans out of schools that were all white.
Even though radicalism played a negative part, the views of these individuals also helped progress the Civil Rights movement in other cases. The radicals who used violence against African-American citizens who were practicing nonviolent protests received negative attention from the media. After seeing several stories where African-Americans were physically abused by individuals with radical views, American citizens started to turn against these people hurting others who were trying to be peaceful.
I would say the correct answer is the last option - by approval of conventions in three-fourths of the states.
This method was used only once to ratify an amendment, and it happened when the Twenty First Amendment was ratified in 1933. This amendment banned alcohol throughout America and it repealed a previous amendment of the same nature - 18th.