The largest animal that has ever lived. The blue whale is the largest animal ever known to have existed. During the 20th century, the species was an important whaling target and even after it was protected and commercial whaling stopped in 1964, exploitation efforts by the former Soviet Union persisted.
The Erie Canal is the place where the young United States, and its religiosity, ceased looking to the East and the past â Europe and New England â and began looking West and to the future â to a grand unfolding continent.
The Panama Canal is a 50-mile, man-made canal cutting through the Isthmus of Panama that connects the Pacific and Atlantic Oceans. It was constructed by the United States in order to find a waterway route between the two oceans.The Panama Canal represents both the best and worst of the United States.he Panama Canal is a large canal connecting the Pacific and Atlantic oceans. It is considered a major engineering feat, but also reflects the United State's aggressive foreign policy during the early 20th century.