How did Thurgood Marshall address the idea that it was time to better reflect societal needs than the standard set in Plessy v. Ferguson

Why did some states believe they had the power to overturn federal laws?

What is zinn's approach to the study of history? what does he suggest occurs when history is told is the story of human progress?

All of the following changes typically happened in colonies as a result of imperialism, except: a. cultural practices were outlawed. b. they became more economically self-sufficient. c. european nations built modern infrastructure, including railways. d. the european language became the language of government and education.