Because of the canals. The canals were a quick,easier and greater way to transport products on water.
<span>Because they started to accuse people who were not obviously Communists.</span>
By the 1890's Americans were sick and tired of their 1870 and prior image of being just backwoods farmers staying at home from the world. Americans in the 1890's were conscious of the great power of American industry, wealth, inventions, natural resources and wanted to take their place among the great powers of the world. They were aware of all the great progress America had made in every field.
<span>A new political movement the progressives wanted even more progress and aimed at the future to make America 'great'. This was the motivation for the new foreign policy. Examples: kicking Spain out and taking Cuba,(1898), buying Panama and building the American Panama Canal there (1904). President Theodore Roosevelt building the 1st mighty US Navy (1901-1909).</span>
The technology necessary for navigating such journeys had not yet been invented. Ships had to become better, then they needed maps and charts, compasses, and anything similar.