The view of disability changing in the United States, according to david mechanic is that an increasing view that persons with any impairment can meet most of the demands of everyday living. According to him the increasing view of that person woth impairment can meet most of the demand of everyday living.
Here's the most prominent inventions from the early 1900's
1920- Hair Dryer
1920- First radio station
1920- The Thompson Sub-Machine Gun
1920- The Band Aid
1921- First robot built
1923- Traffic Signal
1925- Mechanical Television
1926- Liquid Fueled Rockets
1928- Penicillin
1929- Car radio
The states printed their own money. there was no national currency.
