Answer:
The war's effects were varied and far-reaching. The war decisively ended the depression itself. The federal government emerged from the war as a potent economic actor, able to regulate economic activity and to partially control the economy through spending and consumption.
Explanation:
The correct answer is agriculture. It was made possible for people to live on a single piece of land and not be nomadic anymore in search of food. Agriculture enabled them to settle around river valleys like Nile or Tigris and Euphrates. This is the era when civilizations started rising worldwide.
B. No country’s has the right to us military forces to invade ......