Imperialism necessitates control of territories, while rivalry for resources just means control of those resources.
The correct answer is the last one, signing the Camp David Accords. Those were the agreements between Israel and Egypt signed in 1978, that led to the first peace treaty between these two countries. The negotiations took place at the U.S. presidential retreat at Camp David, Maryland while Jimmy Carter was the president.
The west African Kingdom of Mali grew in wealth and power by controlling the trading of gold and salt.
<span>Stephen Douglas' action in introducing the Kansas/Nebraska bill in 1845 was a great miscalculation. The purpose was thought to improve farmers' ability to acquire new farms. It was also thought to promote a reason to create a Northwestern Transcontinental Railroad.</span>