Answer:
The Jazz Age was a cultural period and movement that took place in America during the 1920s from which both new styles of music and dance emerged. Largely credited to African Americans employing new musical techniques along with traditional African traditions, jazz soon expanded to America's white middle class.
Pollution puts a lot of strain on the Earth in general.
Waist dumps do as well.
External validity
Sigmund freud's psychoanalytic theory was based primarily on descriptive data from a few case studies. Critics question how well the experiences of these unusual individuals represent others. The concern referred to is that this type of research may lack external validity.
External validity is the extent to which the information and theories of a study can be generalized to other conditions or to other people. People, places and times are the three major threats ( factors that could be wrong) to external validity
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I believe it's Israel that they havent reached
9 miles from east to west
