1. Nativism- The policy of protecting the interests of native-born or established inhabitants against those of immigrants.
2. Isolationism- A policy of remaining apart from the affairs or interests of other groups, esp. the political affairs of other countries
3. Communism- A political theory derived from Karl Marx, advocating class war and leading to a society in which all property is publicly owned
4. Anarchists- a political theory favoring the abolition of governments.
5. Quota System- The Quota System (also known as The Quod), introduced by Prime Minister William Pitt the Younger in 1795
6. Kellogg-Briand Pact- The Kellogg–Briand Pact (also called the Pact of Paris, formal name: General Treaty for the Renunciation of War) was signed on August
7. Fordney-McCumber Tariff- The Fordney– McCumber Tariff also known as the Fordney McCumber Act, reflected American isolationist inclinations following World War I.
8. Teapot Dome Scandal- Teapot Dome: a government scandal involving a former United States Navy oil reserve in Wyoming that was secretly leased to a private oil.
9. Urban Sprawl- The uncontrolled expansion of urban areas.
10. Installment Plan- a system for paying for goods by installments
11. Prohibition- A law or regulation forbidding something.
12. Fundamentalism- Strict maintenance of ancient or fundamental doctrines of any religion or ideology, notably Islam.
13. Flapper- (in the 1920s) A fashionable young woman intent on enjoying herself and flouting conventional standards of behavior.
14. Double Standard- A rule or principle that is unfairly applied in different ways to different people or groups.
15. Harlem Renaissance- A literary movement in the 1920s that centered on Harlem.
I think that the 1920's were conservative due a variety of factors, including presidential politics, the Palmer Raids and the Red Scare, the rise of the KKK, Prohibition, etc. Warren G...