All the nations(for example Europe) was included in the Great War. The Civil War only included the Union and the Confederate states.
The correct answer should be
<span>c. They developed in almost total isolation from the rest of the world
Only in the new century was it made possible to discover them when shipping became developed enough to allow people to cross into the new continent. They developed isolated from everyone and only ever met other American tribes from time to time.</span>
Answer:
popular sovereignty
Explanation:
let states decide wether or not to allow slavery. hope this helps ! :)
