<span>Allowed the US to export goods over the ocean
more people more jobs more taxes.</span>
<span>The major centers of
knowledge and learning i</span>n Western Europe during 6th and 7th centuries were located in monasteries.
After the fall of the Roman Empire (during the Dark Ages), the monasteries were
used to preserve the medical writings and books of the Greeks and Romans. Until
universities such as Salemo were built, the monasteries were the only centers
of learning.
Mainly from Europe more specifically Germany ,Ireland, England and France due to various problems such as crop failure. They have also immigrated because of Christopher Columbus's voyages of the new world.
