Once you have enabled AI Servo mode and selected the correct focus points (if you want to adjust them from how the camera is currently set up), the only control you need is the shutter button -- just pressing this halfway will enable focus tracking on the focus points that are enabled.
The Social Security Act was enacted August 14, 1935. The Act was drafted during President Franklin D. Roosevelt's first term by the President's Committee on Economic Security, under Frances Perkins, and passed by Congress as part of the New Deal.
When the Great Depression began, the United States was the only industrialized country in the world without some form of unemployment insurance or social security. In 1935, Congress passed the Social Security Act, which for the first time provided Americans with unemployment, disability and pensions for old age. 1  Tags.