The Monroe Doctrine was meant to dissuade the Spanish from attempting to recapture any of their former colonies in South America. It stated: "The American continents are henceforth not to be considered the subjects for future colonization by any European powers."
1834 Grain Reaper Patented
n 1834, Cyrus McCormick received a patent for his grain reaper, first demonstrated three years earlier. This grain reaper became the basis for the establishment of the International Harvester Corporation, still in operation today
