The answer is definitely D.
MIT defines calculus as the study of change, usually in motion.
On August 23, 1939–shortly before World War II (1939-45) broke out in Europe–enemies Nazi Germany and the Soviet Union surprised the world by signing the German-Soviet Nonaggression Pact, in which the two countries agreed to take no military action against each other for the next 10 years.
<span>The Valley of the Kings is closest to Luxor. In ancient times, Luxor was known as Thebes.</span>
Reaganomics emphasized a lessening of government intrusion into the economy and more of a freedom to businesses to pursue their goals.
