this what is what I believe the answer is. I will add a comment if its wrong.

The three regions that Alexander the Great conquered in the map are:
As King of Macedon, Alexander ruled over Greece and when he started invading other areas, he took over Egypt.
He then took over Persia as well which gave him access to vast areas of land. He finally turned back in India.
First part of question:
Which three regions on the map did Alexander the Great conquer?
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