He destroyed it and sold its people into slavery as a warning to other Greek cities not t revolt as Thebes had done. He needed stability in Greece to secure his rear during the intended assault on the Persian Empire which he tok over from his assassinated father Philip II.
Alexander the great destroyed Thebis after he conquered it as an example to others.
Thebes, as a warning to other cities not to rebel.
Alexander had destroyed Thebes and sold its people into slavery as a warning to other cites.
Alexander destroyed Thebes because he was using it as an example to other Greeks of what would happen if they turned against him.
Thebes
Alexander the Great Became in leadership at the age of 20 when his father was killed at his daughters wedding. Many hated the fact that he was king, Thebes (a City State)rebelled and Alexander destroyed them.
Death. Thebes rebelled when he first took power and he destroyed Thebes, killed 6,000, and the remaining were sold into slavery. After that all thoughts of rebelling were given up.
When Thebes was destroyed by Alexander the Great in 335 BC, the only house left standing belonged to the poet Pindar. This was a significant moment, as Alexander aimed to make a statement by demolishing the city as a warning to other Greek city-states. Pindar's house was spared, possibly due to his esteemed status and contributions to Greek culture.
Pindar's the poet
Alexander wanted to be on good terms but they refused he sent troops to destroy it as a warning to other city-states what the consequences.
When it revolted, he captured the city and sold its inhabitants into slavery.
He did it by force - they were not 'united', they were under his control. When Thebes revolted, he destroyed the city and sold its inhabitants into slavery as a warning to the others.