The Romans: The Roman army was also very large and well-organized. It was divided into many different divisions, each with its own specialized role. The Romans also had a good navy.
The Greeks: The Greek army was not as large as the Persian or Roman armies, but it was a very effective fighting force. The Greeks had a strong tradition of physical training and military discipline. They were also well-equipped and well-led.
The Egyptians: The Egyptian army was made up of both conscripts and professional soldiers. It was also well-equipped and well-led. The Egyptians also had a strong navy.
The Mongols: The Mongol army was the most feared army in the world during the 13th century. It was known for its mobility and its brutality. The Mongols won many battles thanks to their superior archery and horsemanship.