Explain possible causes for the First Intermediate Period

The system of checks and balances ensures that

Of the following, who would be the least affected by the telegraph? eastern industrialists western businessmen city dwellers native americans

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