USSR began building missile sites in Cuba in 1962.
There was a coup in Cuba in '59. The new government did not like the United States and took over some American businesses.
The missle sites could hit any city in the USA.
American ships blocked Soviet ships carrying misses into Cuba. The Soviets and Cubans agreed to take away the missiles if America promised not to attack Cuba.
Technically, nobody won. Although, the USSR lost China's support after.
Source: https://www.enotes.com/homework-help/what-some-cause-effects-cuban-missile-crisis-508792
Letters would be an example of a primary source
Practical escalators use electric fields to speed up and increase the energy of a beam of particles, which are steered unfocused by magnetic fields.
He and four different assistants were captured amid the second break-into the Democratic National Committee's base camp at the Watergate complex on June 17, 1972. The captures prompted the Watergate outrage and renunciation of President Nixon.
