WILL MARK BRAINLIEST

Which of the following were effects of the Persian Wars. Select all that apply.

A. Issues between the city-states would eventually lead to the Peloponnesian War.

B.
Xerxes and the Persian Empire continued to be a threat.

c. Athens began forming an empire.

D. Sparta was weakened an no longer a strong Greek empire.

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.