Major federal programs and agencies included the Civilian Conservation Corps (CCC), the Civil Works Administration (CWA), the Farm Security Administration (FSA), the National Industrial Recovery Act of 1933 (NIRA) and the Social Security Administration (SSA).
The growth of railroads affected the Us economy and geography both in a positive way. Railroads made it easier to ship products and resources places faster. Without the advancement of railroads many things would not get delivered as quickly/efficiently as they did.