Why did the age of exploration begin?

Select the word from the list that best fits the definition a city-state in ethiopia

Greg goes to a high school and observes the way students talk to each other. he makes notes on the words used, the atmosphere of the school and the way the students present themselves to each other. this is an example of a( research method.

Which statement best completes the diagram of the ways the different branches of government can limit each other's powers?