The+Roaring+20's

The united states
The dominated by the aftermath of world war 1 and the hostile reaction to woodrow wilson, a Democratic president. The wartime boom had collapsed. Politicians were arguing about peace treaties and other question of America's entry into the League of nations. Overseas there were wars and revolutions; at home, 1919 was marked by major strikes in meatpacking and steel, and large race riots in Chicago and other cities. Terrorist attacks on wall street were produced fears of radicals of terrorists. Theodore Roosevelt had been the frontrunner for the Republican nomination, but his health had collapsed in 1918 and he died in January 1919, leaving no obvious heir to his progressive legacy.

http://en.wikipedia.org/wiki/United_States_presidential_election,_1920

The world
World War 1 highlighted the benefits of air power and the growing vulnerability of shipping to aerial attack. Massive battleships with huge firepower had ruled the seas for decades with flotillas of smaller ships in support. Air superiority was now recognized as a major factor in winning battles on land and on sea.

****Technology?****
During the 1920s the private car become a fixture of everyday American life. As late as 1919 there were 6.8 million passenger cars on the road in a country of about 105 million people. By 1929 there were 23 million cars for about 122 million people. As the cost of the electronics and microprocessors continued to drop so did the price of the computers and also slowly became easier to use and this in turn encouraged more to learn. http://www.thepeoplehistory.com/computers.html

Popular culture