How did the issues with communism change the entertainment industry?

In the late 40s the Hollywood industry suffered the infiltration of the Red (Communists) that wanted to disseminate the communist ideals by the world of entertainment in Hollywood. That started a hunt for any writer, director or author who gave signs of being a communist, and even thought there were some actual Reds in the world of Hollywood, most of the industry suffered from repression and prosecution without a real reason. That created a very tense atmosphere within the actors, writers and directors who were afraid to express themselves for they could end up banned from the industry. All this generated a severe lack of production and expression.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in