The discoveries in the Olduvai Gorge in East Africa have suggested that the early humans were using primitive types of tools. This tools were made mainly from stone and bones, and they had multiple uses in their daily lives. Most of the tools found are sharpened stones and pointy parts of bones, mostly used for cutting flesh and piercing.
C. to keep their children out of criminal activity
Key events:
1918: world war I ends.
1920: nineteenth amendement ratified.
1928: Herbert Hoover elected president.
1929: Stock Market Crash.
1930: Hawley Smoot Tariff passed.
1932: Franklin Roosevelt elected president.
1933: New Deal begins.
Hope this helps.
