Which factor was a key reason that the Greek city-states had strong economies? he mountainous terrain

a booming system of trade

stable governments

wealth gained from conquests

climate suited for farming

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change

This is the largest and most populous country of the caribbean region. puerto rico dominican republic cuba haiti

To what is the growth of civilization most clearly traced