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The Kansas-Nebraska Act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. Kansas with slavery would violate the Missouri Compromise, which had kept the Union from falling apart for the last thirty-four years. The long-standing compromise would have to be repealed
Answer:
C. Great Britain held on through air attacks
Explanation:
The thing is, when the Germans were going to invade London and the rest of Britain, They had to get across the English channel and to do that, they needed both air and naval superiority over the English channel. So, they set out with having air strikes on London. To defend against this, Britain unleashed the RAF (Royal Air Force) to push back German planes from London. Even though they were outnumbered, the RAF stood it's ground and Hitler had to postpone his invasion.