Before the 1890s the U

Before the 1890s the U.S. could be described as ___________, by 1920 the U.S had become _________.

A) a single nation state, fractured into thousands of regional island communities.
B) island communities, a nation state with a more common culture.
C) a nation of illegal immigrants, a country closed to immigrants and having protected boarders.
D) none of these.