The best answer i see is C) The natural features in an area include mountains, deserts, and oceans because these were all aspects of keeping native people from wondering to far.
It was "Igor Stravinsky" who <span>became an American citizen in 1940, due mostly to the fact that many Europeans were seeking refuge in the US during this time due to war in Europe. </span>
Answer: Under the Reagan administration, U.S. support for the Afghan mujahideen evolved into a centerpiece of U.S. foreign policy, called the Reagan Doctrine, in which the U.S. provided military and other support to anti-communist resistance movements in Afghanistan, Angola, and Nicaragua.
Explanation:
Among the reasons for <span>Europe's success in gaining colonies during the 19th century was their superiority in terms of weaponry and transportation in any kinds of warfare they get involved, in which it could be highly attributed to the technological advancements of Europe at that time.</span>