Which statements correctly describe the origins or major features of the caste system?

The code talkers work contributed mostly to

Which events are correlated but do not necessarily have a causal relationship?

Which of the following is an example of a concurrent power? a. when a group of states work together to regulate interstate commerceb. when a federal law enforcement agency state policec. when a state creates a treaty with a foreign governmentd. when a local government collects taxes on imports