Which form of government, practiced in certain greek city-states and in persian empire describe a society ruled by a king or queen until his or her death at which point power passes on to a family member

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