The federal government encouraged settlement and development of the Plains for agriculture via the Homestead Act of 1862, offering settlers ”quarter section” plots. With the end of the Civil War in 1865 and the completion of the First Transcontinental Railroad in 1869, waves of new migrants and immigrants reached the Great Plains, and they greatly increased the acreage under cultivation. An unusually wet period in the Great Plains mistakenly led settlers and the federal government to believe that "rain follows the plow" (a popular phrase among real estate promoters) and that the climate of the region had changed permanently. While initial agricultural endeavors were primarily cattle ranching, the adverse effect of harsh winters on the cattle, beginning in 1886, a short drought in 1890, and general overgrazing, led many landowners to increase the amount of land under cultivation.