What does it mean when it says “which is not by this confederation expressly delegated to the United states…….”?

What requirements were placed on germany in the treaty of versailles? (choose 3) question 2 options: give up 1 million square miles of land cease the development of the nuclear bomb limit the size of its armed forces pay reparations to other countries export food to countries most damaged by the war claim shared responsibility for the war with the united states