It took only 77 years. I am counting from the independence in 1776 until the Gadsden Purchase in 1853. (the last purchase was small and the continental US had almost it's present size in 1848 with Mexican Cession.
The best answer is, States with the largest populations send more representatives to the House.
Members elected to the House of Representatives, which is part of the U.S. Congress, are determined by their state and by the number of constituents in that state. Each state must have at least one elected member to the House of Representatives but can have much more like California, who sends 53 representatives to the nation's capital. This representative process differs from those elected to the Senate, the other half of the U.S. Congress, where each state elects two representatives regardless of population size.
Gagan refers to the foreseen sky.
Jimmy Carter while in Presidency was faced with five challenges which include; Inflation, Slow growth, Unemployment, Stagflation, and The second oil shock. This made it so President Carter persuaded the people into conservation and less spending. Companies were made to only pay 7% with any contracts they made new and old and the oil shock, which came from the iran revolution, made it so the people became more conservative and made oil cheaper by having to not pay for what wasn't used.