Around 200 AD was the start of the collapse of the roman empire , it finally fell in 476 AD
The first was walled cities. Another is both offensive and defensive was a fleet of warships. And a third was alliance with other cities.
Bicameral system, a system of government in which the legislature comprises two houses. The modern bicameral system dates back to the beginnings of constitutional government in 17th-century England and to the later 18th century on the continent of Europe and in the United States.
Answer:
I saw them seeing their names on the floor
Its c)heterogeneous. In the 19th century, after the 2nd industrial revolution.,Tracks of railroads connected different states opening trades, immigration of European people to America, migration of people from rural to urban for job opportunities, trading in Atlantic . These only shows that in in 19th century there is mixed of people, culture, and goods, and languages.
