Answer:
Osama bin Laden and al-Qaeda planned and carried out the attacks on the United States.
In the late 19th century, immigrants arrived in large numbers on the U.S coast from China for the primary purpose of working on the Transcontinental Railroad.
I believe the answer is: parliamentary Democracy
In a parliamentary Democracy type of government, the executive branch of the government could give an order toward the legislative branch of the government to pass a certain law.
This is different compared to our current democracy, where there is a separation of power between the executive and legislative branhces of the government, and they exist to limit each other's power.
