I believe the centers of learning and art in the early middle ages were in monasteries.
The absence of a uniform tariff rate benefited British exports to America.
Salt. Duh. And aligators.
Hope this helps! :)
I know that manifest destiny was the mindset of Americans that they were destined to stretch from coast to coast.
The Louisiana purchase was during that time. Napoleon didn't have the troops to keep Louisiana so he sold it to us for cheap.