Ok and by anyway does Juan need help?
I would go with C. Most largely populated areas are full of lots of things like jobs and museums take that away and you have lot less people.
The people have the power. People have the right to Life, Liberty and the Pursuit of Happiness
B. The American people worried about having a communist nation only 90 miles from the US.
The Cold War is characterized by the American's fear of the spread of communism and of nuclear war. Having a country so close to the US turn communist there was that threat, therefore B is correct.
The answer is C. Ratification of the Nineteen Amendment.
The 19th Amendment gave voting rights to all despite gender => for all the ladies who desire to have suffrage rights!
The 19th Amendment prohibits the states and the federal government from denying the right to vote to citizens of the United States on the basis of sex.