It depends on what you take to be the beginning and what the end. It lasted two years if you understand it as from the time it was revealed to the time Nixon resigned. It lasted 5 years if you take it from the time Nixon began doing it to the time he resigned.
Answer:
The answer is C
The assembly line made it easier to manufacture which led to a cheaper product.
B. Do they could protect their interests from larger states.
Answer:
Many activists joined efforts to reform local government, public education, medicine, finance, insurance, industry, railroads, churches, and many other areas. Progressives transformed, professionalized, and made scientific the social sciences, especially history, economics, and political science.
Explanation:
