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Main-sequence stars have about the same density as the Sun but giant stars have very low densities.
Great Depression
Worst economic depression in American history; it was spurred by the stock market crash of 1929 and lasted until World War II.
Segregation
A policy or practice of separating people based on race or ethnicity, often resulting in inequality and discrimination.
Greensboro Sit-in
A series of nonviolent protests in 1960 which started when four African American students sat at a segregated lunch counter in Greensboro, North Carolina, challenging racial segregation.
Militancy
The use of confrontational or violent methods in support of a political or social cause, often characterized by a radical approach to achieving objectives.
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