During the battle at Fort Sumter there were no casualties?
True
False

Taught and wrote on a staggering array of subjects, including physics, chemistry, astronomy, ethics, politics, and literature

One drawback of voluntary trade is that it a.requires two groups to use a common language b.can make one group dependent upon another for necessary goods c.doesn't occur unless there is a shortage of goods for at least one group d.forces groups to rely on themselves to produce all the goods they need

Production possibilities graphs economists see different ways to use an economy’s profits