Which development was a response to the founding of the North Atlantic Treaty Organization in 1949? A the success of the Berlin Airlift
B the communist victory in China
C the formation of the Warsaw Pact
D the United Nations invasion of North Korea

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.

the lines on a surface map are called isobars. isobars are lines of constant pressure which are measured in units called millibars. the numbers indicate the amount of air pressure, in millibars, that each line represents.