PLEASE HELP~ In about 100 words, describe a government in which all legislative, executive and judicial power is in the hands of one person or a single small group. This is from Federalist Paper 47--James Madison

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