B. The population tended to be small. Hunting-gathering methods of obtaining food couldn't support larger populations we see today; population only started to really grow when agricultural methods were developed, and sedentary societies started cropping up. (Get it? Cropping? Crops? Farming?)
I feel like it's the first answer but I'm not sure.
The Cold War was a period of 40 years which during, tension was extremely high between both nations.
They are used by workers to produce goods and services similar to the way physical capital is used.
Answer:
Ulysses S. Grant led his troops deep into the southern states of Georgia and South Carolina.
