Which event marks the final stage in the collapse of the songhai empire?

revolts from deposed kings

civil wars among the priests

weakening from the slave trade

an invasion from morocco

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