1. According to the passage, which of the following had a significant and immediate impact on popular understanding of 1920s US history? a. Ernest Hemingway’s for whom the bell tolls

b. F. Scott Fitzgerald’s The Great Gatsby

c. Langston Hughes’ Harlem

d. Frederick Lewis Allen’s Only Yesterday

please help ):

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.