Yes they often slowed work
This is one of the most complicated and debated issues in 20th century American history. Many historians argue that the killing of President Kennedy had a few particular results:
1. Increased tensions between the U.S. and Soviet Union. At the time of Kennedy's killing, he was is the midst of negotiating a peace treaty with the Soviets, a treaty that was not supported by the following administration.
2. An increased American military presence in Vietnam. President Kennedy was considering pulling American military advisors out of Vietnam. His death, many historians feel, indirectly lead to the Vietnam War.
3. A sense of paranoia and distrust in the American government from American citizens. In the years following the death of President Kennedy, many Americans came to doubt the official story of Kennedy's death and believed that the government was hiding information from the public.
It left he nations with the choice to declare their independence.
Explanation:
Most of the nations of the eastern region had declared their independence from the mother state of USSR and its communist regimes right after the fall of the USSR.
This was done when they got the free choice to do so if they pleased and the majority of the states had simply opted out.
There was a sense of dissatisfaction among the people with that mode of governance and they had seen the developed of the Democratic countries and wanted it for them.
The states had thus chosen for democracy
The correct answer is D) Seasons. Hope this helps.