Let's say a sound wave is traveling toward a microphone. The microphone picks up compressions and rarefactions as the wave passes by. When a compression hits the microphone, it receives a high amount of air pressure from the particles in that space. During a rarefaction, the air pressure is very low.
A: The Social Security Act was signed by FDR on 8/14/35. Taxes were collected for the first time in January 1937 and the first one-time, lump-sum payments were made that same month. Regular ongoing monthly benefits started in January 1940.nder the 1935 law, what we now think of as Social Security only paid retirement benefits to the primary worker. A 1939 change in the law added survivors benefits and benefits for the retiree's spouse and children. In 1956 disability benefits were added.
27-30, enacted April 9, 1866, was the first United States federal law to define US citizenship and affirm that all citizens are equally protected by the law. It was mainly intended to protect the civil rights of Africans born in or brought to America, in the wake of the American Civil War.This legislation was enacted by Congress in 1865 but vetoed by President Andrew Johnson. In April 1866 Congress again passed the bill.Although Johnson again vetoed it, a two-thirds majority in each house overcame the veto and the bill therefore became law.n any event, there is currently no consensus that the language of the Civil Rights Act of 1866 actually purports to confer any legal benefits upon white citizens. Congressman Samuel Shellabarger said that it did not.