Final answer:
Alexander and his troops began the conquest of the Persian empire in 334 BCE. They journeyed across Anatolia, Syria, central Asia, and the Indus River valley. Alexander's troops refused to advance further into central India and he returned to Babylon where he eventually died in 323 BCE.
Step-by-step explanation:
Alexander and his 30,000 troops began the conquest of the Persian empire in 334 BCE.
They journeyed across Anatolia, Syria, central Asia, and the Indus River valley (modern Pakistan). Alexander's exhausted troops refused to advance to the Ganges River in central India.
He led his army back to Babylon in Mesopotamia, where he died in 323 BCE.