Preguntale a los que trabajan
One of the main reasons Rome did not expand farther north was because this area was inhabited by several hostile tribes and groups, that became too much of a headache for the Romans.
Agriculture production improved in Europe because of better agricultural machines, fertilizers that are unharmful for earth and more farmers for agricultural production.
(by Benjemin)
The United States did not enter the war until after the Japanese bombed the American fleet in Pearl Harbor, Hawaii, on December 7, 1941. answer is C .
C: the Japanese attack on Pearl Harbor
