Answer:
50 years
Explanation:
The first human spaceflight named Vostok 1 was launched on April 12, 1961. This spaceflight took along with it Yuri Gagarin, a Cosmonaut who came from the Soviet Union. Thus this scientist was the first to ever travel to space and enter into orbit.
The formal end of the space shuttle program was marked in August 31, 2011. The last shuttle, STS-135 that was flown by Atlantis was retired on July 2011. So the time duration between the first human spaceflight and the end of the space shuttle program spanned some 50 years.
<span>To gather data on citizens' attitudes regarding the university's noise, traffic, and minor property crimes, I would set up survey takers at several major hubs of activity. This would include locations on and off campus, including the student union and a local pub or coffeehouse.</span>
The major purpose of the Truman doctrine was to stop Soviet imperialism during the Cold War. This was because the Soviets had a communist way of life, which the American people felt threatened by as the Soviets were encroaching in different parts of the world and the Americans did not want a take-over of this kind globally.