What's geographic obstacles did alexander's army face

Alexander the great led important campaigns and conquered new territory and also expanded his empire from Greece to Persia.

Explanation:

Alexander the great is famous for his Military power and and his legendary figure. He punished the Thebans for their rebellion. He wish to send a message to the other Greek states. The Thebans re not killed in the fighting sold into slavery.

The ambitious man Alexander from Macedonia united all the Greeks under his rule and something happened unbelievable.

He achieved most of his goals from his men return to Persia and preventing them from conquering more lands from Asia.