All of the Following Were Part of the Columbia Exchange

Multiple Choice

All of the following were part of the Columbia Exchange except

A) cows and horses were introduced into the Western hemisphere.
B) potatoes and corn were introduced into Europe from the Americas.
C) potatoes and corn were introduced into the Americas from Europe.
D) smallpox arrived in the Americas from Europe.
E) gunpowder and guns were introduced into the Americas from Europe.