Alexander was then determined to seize the throne by any means necessary. During his time as king, Alexander conquered the largest empire in the entire ancient world which covered about 3,000 miles without the benefit of any modern technology or weapons at the time . This empire would not have lead to success if it wasn't for Alexander inheriting the world's strongest army from his father and also through his great military strategy. The territories that were being conquered by alexander were Persia, Syria, Mesopotamia, Egypt, and founded the city Alexandria in Egypt . One of his main goals was to lend money to these conquered territories to help it build and develop and also to have the people in these territories expand greek culture. on June 13, 323 BC, Alexander died at the age of 33 from Malaria in Babylon, while considering the conquest of Carthage and Rome . After his sudden death, Alexander left no Heir to rule. His empire was then divided up by his most trusted generals and it broke into different kingdoms under the generals