Answer:
canals were built, primarily in the North
It expands due to the fact the mercury reacts to heat in such a way that makes it rise up the tube.
For the first one The institution of slavery contradicted the foundation of the American society because till this day people of color are still being treated horrendously due to their ancestors and their teachings to the newer generation. Also it contradicted it because Americans had their amendments but it didn’t apply to slaves .
Answer:
the late fifteen century,a major world power that established colonies in the era of old imperialism was france or germany or spain.
Explanation:
Their colonial activity was mainly limited to america or africa or asia.
