Why do you think. Alexander adopted Persian customs and included Persians in the army?

Alexander adopted Persian customs and included Persians in his army to foster unity and loyalty among the diverse populations of his empire. By embracing local traditions, he aimed to legitimize his rule and gain the support of Persian nobility and soldiers, which enhanced his military strength. This strategy also facilitated the integration of conquered peoples, promoting stability and cooperation within his vast territories. Ultimately, it reflected his pragmatism as a ruler seeking to consolidate power and create a cohesive empire.