Individual land ownership did not exist and the idea of selling land to European settlers was foreign to them.
The Soviet Union bore the most casualties, therefor the Soviet Union will be the correct answer.
Hopefully this helps!
For the Louisiana purchase question, it more than doubled the size of the united states. As for the second question I believe the answer would be "Thomas Jefferson was eager to explore the west to ensure the survival and prosperity of the United States"
Answer:
"Human sacrifice supplied a diet of blood for Aztec Gods"
Explanation: