What ended alexanders conquest of india.

At age 16, Alexander's education under Aristotle ended. Philip waged war against Byzantion, leaving Alexander in charge as regent and heir apparent.[12] During Philip's absence, the Thracian Maedi revolted against Macedonia. Alexander responded quickly, driving them from their territory. He colonized it with Greeks, and founded a city named Alexandropolis.[21]

His soldiers had enough fighting after 10 years and wanted to go home and refused any further. So he stopped the fight in India and brought the soldiers home. Hope this helps:).
 

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The led the formation to the united states