Racism was the major blow which the American faced. Progressive era was the age in which there was an enormous growth in the economy and the cities were crowded, urbanization resulted, gulf between the rich and poor was huge and racism was also prevalent.
Segregation of African Americans were not given the right if enfranchisement. Many reformers, educators, journalists rose to the occasion during progressive era to fight for abolition of racism and segregation.
Washington and W.E.B. Du bois consistently fought for the welfare of African Americans. Jim Crow laws which were emphasizing separate but equal doctrine were abandoned and equality was sought for.
Well actually I don't know but I do know that women were payed less than men and that a women would be thought of a some kind of maid.
Both B and D took place, but if you had to choose one, it would be B. The technological advances made farming much more quicker and easier for a large piece of land.