Who is the English judge that influenced Thomas Jefferson to include the "pursuit of happiness" in the Declaration of Independence because of his literary works?
Mercy Otis Warren
O John Paul Jones
O James Armistead
O John Locke
John Hancock
Marquis De Lafayette
Abigail Adams
William Blackstone

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