They followed the lines of ancient glaciers. They were defined by large farms and grasslands. They followed the system of rivers, canals, and dams. They were naturally defined by deserts, mountains, and seas.
Well, it is like the Biblical story about the Tower of Babylon - in the beginning, there was only one language and all the people in the world spoke it. However, because of many disputes and quarrels, they all separated and created numerous new languages. The same thing happened in the real world (if you don't believe in what the Bible says) - there used to be Proto-Indo-European language, but over time, it developed many new languages as people grew apart and created new nations.
Give the large amounts of sugar and other goods brought to New England through triangle trade, North America would have benefited most. The Caribbean received manpower in the form of slaves from Africa, while Africa sold its mapower in exchange for goods (lots of rum), meaning it most likely benefited the least.
Although basically every member belong to either the republicans or Democratic Party, it is not a requirement for you to be in the congress.
The correct answer would be A
Hope this helps!