Sin(64)=0.899=cosx
cos-1(0.899)=x
x=25.973°
B) Patronage by the masses
The expansion of cotton production greatly increased the demand for slavery in the United States, since the massive amounts of cotton that were being grown in the fields needed to be picked, which required more and more slave labor. This was also incredibly hard and "back-breaking" work, which made life even harder for the slave population.
First question is c and second is b hope this helps :)
Up until the First Opium War, the foreign threats Han Chinese were used to dealing with were foreign nomadic invaders invading from the north. While Han Chinese were used to being occupied, even by foreign dynasties such as the Mongol Yuan dynasty, the foreign occupiers were always absorbed into the great ocean of Chinese culture and eventually disappeared.
