How did changes in the law made it easier to keep Africans in slavery?

The holocaust of world war ii resulted in a) the nazis effectively used propaganda to gain and hold power in germany. b) ethnic regimes carried out mass devastation. c) deporting all european jews to the island of madagascar. d) the systematic mass slaughter of european jews and and others in nazi concentration camps during world war ii.

How does the pyramid of giza include art, science, math, or a need for infrastructure?

According to the map, most mining occurs in the a. northern b. southern c. eastern d. western