BlackPenguins, 3 months ago Also explained in that show. The borders are rough on the East because they were based on rivers and geographic features. As we moved West we invented and introduced railroads and those became our new borders hence the squareness.
Also explained in that show. The borders are rough on the East because they were based on rivers and geographic features. As we moved West we invented and introduced railroads and those became our new borders hence the squareness.