I think that the best answer is "c. an incentive to bring their ideas to market" - you can see that through the statement of "<span>the opportunity to profit from their ideas"- an opportunity to profit is an incentive to work and in the case of the creators - to bring their ideas to market.
However, an opportunity to profit is not a guarantee that one will profit - so for example option a) is wrong. </span>
Answer:
b. the U.S. economy could falter, and jobs would decrease anyway
Explanation:
Unemployment cannot be reduced only with restrictive measurements like tariffs and import quotas.
Growth of production is significanlty more effective in the increase of employment in an import industry. Production growth is generally the result of a more competitive economy plus investment. As a consequence, imports will be reduced because products made internally will replace imported ones.
Answer would be b. phanerozoic