Fear of communism and socialism from the soviet union. Military development among all the nations slowed, but some still had a arms race. African americans last to get hired, first to get fire. Development of african american culture: jazz age and harlem renaissance. Didn"t progress much, thought they would go back to their jobs after the men returned. Women"s suffrage occurred, but for the benefit of the government. Paid less than men for the same work, sexual harassed; no respect for their new role. Women expected to be in charge of household economic. Targeted through advertising: different ads for different demographics, targets individuals. Produced a more new technologies for warfare. Assembly lines make things easier to mass produce (henry ford) Making technology something that we can use and buy.