Answer: The us Sell and Lend supplies to Great Britain.
Explanation:
Witnesses?
Your question doesn't really have all the information necessary to have an accurate answer.
They used the technology in conquests to expand the empire.
The Truman Doctrine was an American foreign policy that wanted to counter Soviet Geopolitical expansion during the Cold War
Answer:
"act of Congress, the Oregon trail begins in Independence, Missouri, and ends in Oregon City,"
Explanation: