The North wanted the federal government to govern the entire country. The South wanted the states to have more power.
They also disagreed on whether or not the new territories would allow slavery or not.
Stromatolites are the most common precambrian fossil
There are many foods that went from North & South America to Europe.
These include: corn, tomatoes, tobacco, chocolate, and potatoes.
Tomatoes are my favorite of the bunch to study as they are often associated with Italy. Tomatoes are actually a food native to the Americas.