The vault was a structure consisting of arrangements of arches which allowed the Romans to connect any room with the arches because they usually formed a ceiling or roof
1825: Turnpikes, canals, and rail lines drastically changed America's landscape, beginning in the 1800s. Following the War of 1812, the American economy was altered from an economy partly dependent on imports from Europe to an empire of internal commerce.
Answer:
4The United States lost influence in the region.
