B. Pioneering research on radioactivity. She discovered Polonium and Radium, and won the 1903 Nobel Prize.
He leaves it because hes paying back his debt
Answer:
Other nations in the area did not support long-term U.S. involvement there.
Explanation:
Answer:
#1 Its primary goals were to map Louisiana territory and to find a route to the Pacific. Carried out during the presidency of Thomas Jefferson, the Louisiana Purchase of 1803 doubled the size of the United States and was by far the largest territorial gain in American history.
