The answer is Joanna of Castile
Answer:
To seclude and divide from another country or area.
Explanation:
Rivers, mountain ranges, oceans, and deserts can all serve as physical boundaries. Many times, political boundaries between countries or states form along physical boundaries. For example, the boundary between France and Spain follows the peaks of the Pyrenees Mountains, while the Alps separate France from Italy.
Answer:
the answer is microwave oven
The answer is
A. By leading settlers across the Appalachians.
Hope this helped :)