The formation of cultures and socleties has gone through a progression of steps. Place these steps in order. first
second:
third:
fourth:
fifth:
Hunter-Gatherers
Nation-states
Empires
Small towns and nomadic groups
City-states and small kingdoms

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

the western roman empire flourished, but the eastern portion of the empire struggled.

there is no image, therefore i cant you. next time remember to include an image or answer choice