This is a simple definition of his philosophy called Dualism.
Answer:
The spread of communism
Explanation:
America fought in the Vietnam war because we wanted to stop the spread of communism before it started another word war. We tried to stop it, however it was a pointless war for us to be in. So we withdrew troops and left, allowing communism to spread. This was a huge loss for America.
The severe Russian winter was the major reason for Napoleon's defeat during his invasion of Russia in 1812.
What are the available choices?
In my opinion i feel like failure is the greatest because you’ll learn from those mistakes you did