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:
it didnt, all the white ppl wanted to keep slavery to help on their plantations.
Explanation: Have a great day
<span>Physician and pioneering activist </span>
Despite its reputation for brutal warfare, the Mongol Empire briefly enabled peace, stability, trade, and protected travel under a period of “Pax Mongolica,” or Mongol peace, beginning in about 1279 and lasting until the empire's end. But Genghis Khan's death in 1227 ultimately doomed the empire he founded.