All of these presidents were in office during a war.
Purchase of Louisiana <span>increased the size of the United States and provided a Southern seaport</span>
The <span>Europeans were able to drive Australia's Aborigines off the best land and into the dry interior due to a great deal of superiority in their weaponry, since the Aborigines were using primal weapons and tools. </span>
Answer:
The Cold War was caused by the Soviet Union , was sustained by the Soviet Union , and was ended by the Soviet Union when it collapsed,” he said emphatically. “It was—and is—as simple as that.” The cold war was caused by the USSR 's 'imperial appetite.
Explanation: