What was one reason that David Walker's 'Appeal' was distinctive? A. It spoke of how slavery could not be avoided.
B. It encouraged Blacks to be dependent on whites.
C. It spoke to people who were enslaved.
D. It encouraged Blacks to accept gradualist abolition.

How do quotas domestic producers? quotas facilitate increased exports of domestic goods. quotas lower the cost of domestic goods. quotas limit the number of producers that compete in a sector. quotas facilitate the sale of more domestic goods.

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

Advances in technology generally result a.) a higher standard of living for everyone b.) greater productivity c.) more jobs for everyone d.) more government regulation