How did Winston Churchill's "Iron Curtain" speech impact the Truman Doctrine? Churchill's famous speech convinced many Americans that the USSR was an enemy rather than an ally, which led to the creation of the Truman Doctrine. ... The USSR needed to protect its western border from future attacks.
Rhetros is the right answer
The Roman Empire was divided in half during the 3rd century was because its rapid expansion made it harder and harder to regulate, especially when it came to increasing crime.
