The Space Race. One of the most important forms of non-violent competition between the U.S. and the USSR during the Cold War was the Space Race, with the Soviets taking an early lead in 1957 with the launching of Sputnik, the first artificial satellite, followed by the first manned flight.
The correct answer to this open question is the following.
The fall of the Berlin wall might have impacted the relationship between the Soviet Union and the United States in that this event represented the culmination of tense and conflictive relationships during the Cold War years in which both nations competed in the arms race, meanwhile the Soviet Union tried to spread Communism in many places and the United States tried to stop it through the foreign policy of containment. USSR leader Mikail Gorbachev and his policies of Perestroika and Glasnost really helped to facilitate this process.
Timbuktu was a place where ideas were shared and quickly became a center for learning.
The reason why people in early farming communities able to do various kinds of work is because there was a surplus of food--meaning that while certain people were responsible for farming and growing food to eat, other people could apply their attention elsewhere, to other skills that benefitted the community. <span />
President George W. Bush's main concerns about the security of the United States relied on terrorism. This led his to advocate for the creation of defense systems around the globe.