During the development of many New England cities, the building was done around a common area such as a Main St., which greatly facilitated trade and made interactions far easier for everyone--spurring the economy.
The Compromise of 1850 was a package of five separate bills passed by the United States Congress in September 1850, which defused a four-year political confrontation between slave and free states on the status of territories acquired during the Mexican–American War (1846–1848).
No I believe the Roman republic would have held on for as long as possible before giving way
