The Treaty of San Ildefonso was an agreement between France and Spain where Spain gave back the colonial territory of Louisiana to France. So, your answer is that (A. It returned the Louisiana Territory to France. I hope I could help! :D
Have a wonderful rest of the day.
The difference between atmosphere and hydrosphere is :
Basically Hydrosphere Includes all of the water that cover more than 70 % of Earth's surface
While atmosphere is the layers that protect the earth from Outer space material
hope this helps
Richmond, Virginia
This was the most vital supply center for Lees and the confederate forces, noting also it was the seat of power of the confederates. the defeat of Virginia by union forces,largely credited to S Grant, and other supply centers in the eastern theater cost lee a major supply for his forces.
