Answer:
They strengthened the power and self-confidence of Athens in the first self-preservation exercise after the era of the tyrannical rulers. The city could, based on its military success in these wars, attain after 477 B.C. a political and economic supremacy for a while among the Greeks.
Explanation:
You didn't provide a list of choices, but I'll provide a key example: The US intervention in Korea. In Korea, when communist forces from the North invaded the South in 1950, the United States intervened (with United Nations backing), battled to keep South Korea free and democratic, and were able to do so. The Soviet Union did not play an active, open role in that war, but did covertly supply <span>material services to the North Korean side, as well as Soviet pilots and aircraft. Keeping communism from spreading in Korea was a way the US was practicing its policy of containment over against Soviet communist influence.</span>
Answer:
Aqueducts
Explanation:
First developed around 312 B.C., these engineering marvels used gravity to transport water along stone, lead and concrete pipelines and into city centers.