Because ideology is an important factor in determining how people make decisions, and it’s moral aspects make us more aware of the world and the different personalities on it
My best guess is Immigration
Answer:
Adolf Hitler
Explanation:
I could only find records of germany attacking russia recently in WW2 so it can only be Hitler
King Darius had conquered the city of Thrace, so, with Thassos and his continental mines taken, and already preparing to build ships on the coast, he looked at the Athenians and knew that his power over the Greek cities of Asia would only be achieved when conquer European Greece. This is the beginning (or causes) of the conflict between Greeks and Persians, also called the Medical Wars.
Greece and Athens did not seek war with Persia and it wan't possible to reach an agreement with Persia and King Darius, who was already seeking to expand his empire throughout Greece. The battle of Marathon was the great moment for the Greeks, where the Persian power was defeated; then the same Greek generals would fight in other battles and eventually the defeat of Persia would be achieved, preserving the culture, philosophy, art and culture of Classical Greece, which in turn would determine the Western world from the Renaissance to the present day.
"Led to passage of the civil rights and voting rights bills" is the best option from the list but it should be noted this was a complicated transition in many ways.