"<span>Introduction of American plants such as maize to Europe" is the only option that was a part of the Columbian exchange, since this exchange revolved primarily around the exchange of goods from the New World to Europe. </span><span />
Answer:
People in sub-Saharan Africa do not have any democratic institutions.
Explanation:
Answer:
In 1987, about 2,200 miles (3,500 km)
Explanation:
trails were authorized by federal law to mark the removal of 17 detachments of the Cherokee people. Called the "Trail of Tears National Historic Trail", it traverses portions of nine states and includes land and water routes.