Identify three changes that were made in the TN Constitution of 1870:
a. Suffrage was extended to black men
b. Suffrage was extended to woman
c. Poll taxes were introduced
d. Voting rights were restricted to property owners
e. Slavery was abolished

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