How did new forms of mass entertainment create a national culture in the 1920s?

It created the American culture ideal: of mass consumption and materialism

Explanation:

Durin the 1920s credit cards became widely accepted in the U.S, and people began spending money that they did not have on not just needs, but wants such as: entertainment.  It became the ideal of American Culture.

president jefferson protested this interference in american trade. he sent james monroe to london to negotiate a treaty. jefferson wanted britain to stop taking sailors from american ships, and to stop interfering in the trade of neutral nations. monroe tried many times to discuss such an agreement. but the british foreign minister was always too busy to see him.

explanation:

soviet influence spread across eastern europe sharply during and after wwii. the soviet armies liberated the countries in eastern europe and occupied them from the germans as they were forced to retreat towards germany.