b. steam-powered river boats
c. McCormick reaper
d. telegraph lines
Answer:
A. refrigerated rail cars
Explanation:
It was necessary because the civil rights movement had become stronger and stronger, the previous way of dealing with immigration was based on the national-origins quota system stablished in the 1920's. In this way each nationality was assigned a quota based on it's representation in past U.S. census figures. As you can see, this tended to discrimination, specially towards Greeks, Poles, Portuguese and Italians.
As the civil right movement claimed that all human must have the same rigths, this had to be modified. The Immigration and Naturalization Act of 1965, abolished the previous quota system and stablished an immigration policy which main goals were reuniting immigrant families and attracting skilled labor to the U.S.
A to help spread democracy to Southeast Asia
B to prevent the victory of the Chinese Communists wrong
C to ensure that U.S. businesses could operate in China this is the right answer i think
D to remove restrictions on Chinese immigration to the United States
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B.Marshall Plan
C.Declaration of Human Rights
D.the North Atlantic Treaty Organization
D.the North Atlantic Treaty Organization
NATO was an agreement by member nations to defend one another in the case of an attack.
NATO was created in 1949 and was an agreement between the US and 11 European nations. The defensive agreement brought together the western powers and was meant to protect the countries. The pact threatened the USSR and they responded with a defensive pact called the Warsaw Pact.