Answer:
The Great Depression of 1929 devastated the U.S. economy. A third of all banks failed. 1 Unemployment rose to 25%, and homelessness increased. 2 Housing prices plummeted 67%, international trade collapsed by 65%, and deflation soared above 10%.
Explanation:
Roosevelt's New Deal programs worked to aid the rural poor, as well as restore soil quality and establish better farming practices.
The Resettlement Administration and Farm Security Administration were agencies created to help poor people in rural areas.
The Civilian Conservation Corps (CCC), the Soil Erosion Service (later known as the Soil Conservation Service), and the Works Progress Administration (WPA) were involved in improving land conditions. Working in conjunction with the National Forestry Service, the CCC and WPA participated in planting millions of trees to act as windbreaks, to prevent the kind of blowing erosion of soil that occurred in the Dust Bowl.
Answer:
Xiongnu, Jie, Qiang and Di.