Option 'B' = changes in climate, had the greatest impact on pre-historic man.
Changes on the weather forced men to move periodically or cyclically, usually returning to their original location at various times. When they moved to colder climates, they would make clothing out of animal skins, to protect themselves. When the nomads learned how to plant, they didn't need to search for other places anymore.
Answer:
roads
Explanation:
Since the mid twentieth century, in any case, the government has shared the expense of upgrades deeply parkways and spans that are most basic to the quality and execution of the country's economy.
Answer:
B
Explanation:
Mary Harris, AKA Mother Jones, dedicated her life to ending child labor in the mines.
Answer:
individuals, cultures, and societies
Explanation: These are main and important parts of history.
Answer:
the effect is the USSR took even greater control of its satellite countries