What did Khrushchev agree to do, according to this excerpt?

Don't know exactly what you are looking for, but...

After Kennedy threatened Khrushchev with an attack, and after long hours of waiting for one to attack another,

Khrushchev finally agreed to a deal made earlier in the crisis, that deal was if the Soviet Union gave there missiles to the US then the US would remove their missiles from Turkey, that weren't as dangerous to Cuba. No one but the government knew about this deal so it looked like the soviet union had just given in.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.

the quote by walter cronkite contributes to the central idea of the text by supporting the central idea. cronkite argues that what is deemed “right” for and in america may not be good for other countries. this supports the central idea of the text, that the vietnam war was unpopular in america for multiple reasons- including cronkite’s.