18. What started World War II?
a. the invasion of the US by Japan
b. the invasion of France by Nazi Germany
c. the invasion of Poland by Nazi Germany
d. the invasion of Italy by Nazi Germany

C. The invasion of Poland by Nazi Germany

Explanation:

On September 1, 1939, Hitler invaded Poland from the west; two days later, France and Britain declared war on Germany, beginning World War II. On September 17, Soviet troops invaded Poland from the east.

australian plates collided into eurasian plates, and the himalayas formed. the andes mountain range the himalayas and the islands of japan form differently. the andes mountain range formed at the convergent boundary of an oceanic plate and continental plate.