Bringing legal challenges to racial discrimination. The NAACP during the 1920s and 1930s led the struggle for the civil rights of blacks in the fight against injustice, such as the denial of voting rights, racial violence, discrimination in employment and facilities segregated public.
It was the "oil crisis" that was one major cause of the recession in the United States in the 1970s, since many countries in the Middle East cut prices to manipulate prices. This put a focus on alternative energy sources that continues today.
The “exchange” introduced a wide range of new calorically rich staple crops to the Old World namely potatoes, sweet potatoes, maize, and cassava. The primary benefit of the New World staples was that they could be grown in Old World climates that were unsuitable for the cultivation of Old World staples.
The Glass-Steagall Act effectively separated commercial banking from investment banking and created the Federal Deposit Insurance Corporation, among other things