The innovation of using conveyor belts on an assembly line is attributed to
a. j. d. rockefeller.
c. henry ford.
b. j. p. morgan.
d. eli whitney.
economic nationalism meant
a. nations would not trade with former central powers.
c. nations discouraged imports.
b. markets became more international.
d. nations concentrated on production of war materials.

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society

What are policymakers trying to do by using the media to deliver specific messages to citizens?