Some nations that seek to produce all of their own needs face the problem that: a. some industries are too small to be efficient if restricted to their domestic markets alone. b. they can deplete their natural resources as a result. c. the opportunity cost of producing some of their own goods is lower than that of trading with others for them. d. they will not be able to satisfy the wants of all of their citizens.

Mark the four statements that are true. 1. the democrats blamed the republicans for the stock market crash of 1929. 2. the democrats won the presidency in the 1990's but lost control of the congress. 3. the democratic party is the oldest political party in the united states. 4. the anti-federalists were one of the first two american political parties; they wanted a strong central government. 5. the "era of good feelings" was a period from 1816-1824 where there was only one political party: the democrat-republicans.