When did crusade needed for and started for?

Which one of the following statements best characterizes change to agriculture in the united states since 1900

How did geography impact the development of the early russia?

Which effect did the united states supreme court's decision in plessy v. ferguson have? 1. ending segregation in all public schools in america 2. protecting voting rights for african americans by eliminating literacy tests 3. upholding the rights of all citizens to be treated equally by the government 4. authorizing the system that kept black and white people separated