What event led to the Persian Empire invading Greece? A. The Spartans attacked Persia to defend Athens.

B. The Athenians attempted to kill Darius I to end his rule.

C. The Ionians revolted against Persia with the support of Athens.

D. The Persians attacked Greece to free Ionia from the rule of Athens.

List three reasons why explorers began to explore new, and old areas. [[ps: doesn't explicitly say where. i think it's more in general.

In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

Following archduke franz ferdinand's assassination, austro-hungarian leaders: a. aided the ottoman empire in its campaign to keep serbia under its control. b. executed nearly all prominent serbs living in austria-hungary c. threatened to invade serbia if serb leaders did not agree to a set of strict demands. d.. formed an alliance with great britain to protect austria-hungary from future attacks.