Why did Hitler change his plans and turn his focus on the East?

The Eastern Front was decisive in determining the outcome in the European theatre of operations in World War II, eventually serving as the main reason for the defeat of Nazi Germany and the Axis nations. The two principal belligerent powers were Germany and the Soviet Union, along with their respective allies.

In simpler words, the Eastern side was important because it's military was outmoded and it's generals were inept and it had difficulty defeating France.

so what is your question?

result of the incas claiming exclusive right over numerous traditional routes, some of which had been constructed centuries earlier mostly by the wari empire