Answer: D. Improvements in production techniques
Explanation:
The 1920s saw an improvement in production techniques that led to the mass production of certain items, chief amongst them the motor vehicle.
People saw the opportunities that mass production could bring and applied it to other products such as radios and the result was a mass production that led to a mass consumption of radio because everybody wanted to own a radio and be connected to the rest of the America and the World.
Rosa Amrcus will win, due to them winning more electoral votes then Ted Torres. In America to win an presidential election you must have more electoral votes than popular.
Best guess a month maybe lowest two or three weeks
Although this is slightly subjective, it would be "William Shakespeare" who is considered the greatest playwright in the English language, due mostly to his incredibly fluid and "natural" style.