What do we use to make sure no one branch of government has too much power?

This is the only court in witch one state may sue another

After world war one, how did the allied countries hope to keep germany from becoming too powerful again?

Based on the trends shown in this chart, which of the following predictions best tell about the u.s. population in 2020? (3 points) i. more than half of the u.s. population will live near an interstate highway. ii. less than one-quarter of the u.s. population will live in urban areas. iii. more than half of the u.s. population will live in suburban areas. i only iii only i and iii only ii and iii only i, ii, and iii