The following sentences form a paragraph. The second and fifth sentences of the paragraph are given. The rest are numbered as P, Q, R, S, and T. These five parts are not given in their proper order. Arrange them in the correct order to make the paragraph meaningful and then answer the questions given below.

P. By the early 1960s, calls to reform U.S. immigration policy had mounted, thanks in no small part to the growing strength of the civil rights movement.

2. At the time, immigration was based on the national-origins quota system in place since the 1920s, under which each nationality was assigned a quota based on its representation in past U.S. census figures.

Q. President John F. Kennedy even took up the immigration reform cause, giving a speech in June 1963 calling the quota system “intolerable.”

R. The civil rights movement’s focus on equal treatment regardless of race or nationality led many to view the quota system as backward and discriminatory.

5.  The Immigration and Naturalization Act of 1965, also known as the Hart-Celler Act, abolished an earlier quota system based on national origin and established a new immigration policy based on reuniting immigrant families and attracting skilled labor to the United States.

S. Immigrants entering the United States under the new legislation now came increasingly from countries in Asia, Africa and Latin America, as opposed to Europe.

T. Over the next four decades, the policies put into effect in 1965 would greatly change the demographic makeup of the American population.