Answer:
Other countries were turning to communism like Russia and the U.S. didn't want other countries to become communist.
Raising crops to be sold is called commercial farming
During 1500 - 1800 Muslim controls of North Africa placed a type of obstacle to European exploration of interior of Africa from north. So the Dutch were the starters to en-route in direction to interior including South Africa as a part of developing routes to trade with Asia
Hope this helps!
~LYNA~
