One of the things that happened in Europe as a result of the cooling in climate that occurred in the early fourteenth century was "<span>crop failure," since many of the crops needed a certain amount of heat to grow. </span>
The answer to this question is A states fears of an over powerful national government
It was the CSS Virginia that was the Confederacy's first ironclad vessel, built on the hull of the Union ship, USS Merrimack, although it turned out to not be terribly useful in wartime.