How did the principle of self-determination affect the map of europe after world war i?

In a command economy, people are not free toa buy consumer goods.b work in factories.c make production or monetary choices.d receive an education.

The devahrime system was created in order to : a. promote the expansion of sikhism in the ottoman empire b. illuminate the influence of christianity in the ottoman empire c. create trade relationships between the ottoman and mughal empires d. provide the ottoman empire with trained professional soldiers

Why did einstein write a letter to president roosevelt