Which of these events was a cause of the persian war

The primary cause of the for the first Persian war originated from a Greek Ionians revolt. It was prompted by Aristagoras, economic burdens, and a feeling of being mistreated by the Empire.  During the rebellion, Sardis, one of the Persian capital cities was burnt down. This event not only made the Persians more hostile toward Greece but provoked an invasion of Greece by the Persian Army in 492 B.C.

council members were chosen randomly, and men could present laws for debate in assembly.

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.