Answer:
Hernando de Soto was a Spanish explorer and conquistador who participated in the conquests of Central America and Peru and discovered the Mississippi River.
I can't answer your second question since I know nothing about it, my apologies, but I hope that this will help answer about Hernando de Soto.
the first president of the us was george washington
It is false. The doctrine of nullification most certainly did not lead to the philosophy of manifest destiny.
Answer: A lot of land
Explanation:
The Sahel, the vast semi-arid region of Africa separating the Sahara Desert to the north and tropical savannas to the south, is as much a land of opportunities as it is of challenges.