The Incas the Romans and the Mongols were similar in that each?

The Incas, Romans, and Mongols were similar in that each established vast empires through military conquest and strategic governance. They implemented efficient administrative systems to manage diverse populations and territories, facilitating trade and cultural exchange. Additionally, they all built extensive infrastructure, such as roads and communication networks, to enhance connectivity and control over their empires. Lastly, each civilization left a lasting legacy that influenced subsequent cultures and societies.