Think of sociology as socially and you’ll be set. then the studies of relationships between groups or individuals is obviously psychology
The political boundaries of the U.S changed from 1845 to 1853 by increasing the territory and getting land as far out as California because the Americans fought the Mexican American war (1846-1848) that resulted in Mexico yielding the area we know as the Mexican cession have a nice day (:
I think it was the boston tea party
In an era prior to the safe roads, all the people used the rivers to transport their goods, since it was much faster and safer than going in carabanas by the desertic roads, and full of bandits; In addition, the country's rivers, such as the Mississippi, the Ohio, the Missouri River, and Illinois, were used as a means of transportation and also to link to man-made canals, such as a waterway, by which farmers in Louisiana and many states found this form of transportation very useful and became so popular that large channels were formed that united important cities such as the Eirie Channel connecting New York to the Atlantic market.
