By June 1940 Hitler had pushed allied forces out from France. Hitler had never conquered Great Britain. He also had already succeeded in conquering the Netherlands and Norway. Lastly the U.S. wouldn’t join the war for another year. So the answer is Hitler had pushed allied forces out of France by June 1940.
It was commercially important. It allowed for the shipping of commercial goods and saved time + money.
The Aztecs were known for their agricultural influence in farming. They mostly grew crops such as corn, and their diet was dominated by fruits and vegetables.