mention the changes that emerged in the army during new Empires

Some of the kings continued to maintain a well organized army. A new trend also emerged during this period. Some military leaders maintained an army and provided the army to the king when required. Such military leaders did not get salary. But they got grants in the form of land. They also got the right to collect land revenue. The revenue was utilized to maintain the soldiers, horses and battle equipments. Such military leaders were known as samanthas. When a ruler became weak, a Samantha tried to become independent.