What can happen to a country if it is weak and unstable

This macedonian king loved greek culture and planned to conquer persia. a. alexander the great c. philip ii b. aeschylus d. homer

How was slavery in mesoamerica, africa, and the arab world similar? many enslaved people were forced to pledge loyalty to their owners. many enslaved people worked in exchange for protection from foreigners. many enslaved people were captured during war. many enslaved people taught and tutored children.

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?