In 1961, when Eisenhower left office, the government had a surplus of?

Which of the following inventions most directly allowed ancient farmers to produce a surplus ?

The soviet union and the united states believed in two very different economic systems. what were the names of each?

The massacre at sand creek was an attack by a colorado militia on peaceful american indians. a colorado militia on a group of dakota warriors. american indians on peaceful white settlers. federal soldiers on a group of cheyenne warriors.