What is affirmative action and why is it controversial in regards to the University of California higher education system?

How did the union blockade of the southern coast affect the confederacy? it forced the confederacy to build new railroads. it contributed to shortages of weapons and food. it encouraged europe to trade with the south. it halted all trade, leaving the south without supplies.

In witch of these areas were the early bantu successful in part to there iron working skills ? check all that apply -agriculture -gathering -navigation -trade -warfare

Which was not a primary goal of reconstruction