Dr. King's repetition of "I have a dream" serves
what purpose?

The repetition serves as emphasis. Since the speech was given orally, the repetition also helps the audience comprehend his points. It is often more difficult to just hear information than it is to read or have visual aids, so the repetition helps the audience track with the speech and King's tenets.

hope this helps!!:)

Explanation:

the geography of greece

led to limited interactions with other cultures in the mediterranean

was rich in natural resources and led to repeated invasions from the macedonians

encouraged greater contact with peoples on the southern and eastern mediterranean coasts

caused the greeks to eventually relocate eastward under alexander the great

i do not know? i think i have seen this before though h?