Persian king who invaded Greece of Marathon.

A. Pericles
B. Cyrus
C. Darius
D. Leonidas

c

Explanation:The Battle on the plain of Marathon in September 490 BCE between Greeks and the invading forces of Persian King Darius was a victory which would go down in folklore as the moment the Greek city-states showed the world their courage and excellence and won their liberty.

answer: intercourse

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swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.