How many people did the roman empire control at its height of power

More than 50 million people

At the height of its power, the empire controlled by Rome contained about 57 million people and extended over a territory of nearly two million square miles (about 5 million square kilometers). It covered territory throughout much of Europe, as well as stretching into the Middle East and North Africa.

they killed other men

explanation:

porter is writing economic history because he is focusing on the cost of developing vaccines.