Which innovation gave the largest contribution? In detail, explain how the inventor and invention contribute to the economic development in the U. S and which immigrant group used the invention the most?

What form of government is powers of states?

People who move from place to place for survival is called

Which of the following are characteristics of effective government leaders? select all that apply : has accumulated enough wealth to operate the government : willingness to accept responsibility : keep a government strong and active : has be a successful in the entertainment field : act as a final point of authority