The correct answer to this question is letter "b. to prevent monopolies and collusion." An essential government role in market economies is <span>to prevent monopolies and collusion. If it happens that there is monopoly and collision, then it will be a big problem to consumer.</span>
The strength of patent protection is that it D) grants a monopoly on underlying concepts and ideas.
Answer : Andrew Carnegie and John Rockefeller.
Andrew Carnegie owned and operated the largest iron and steel company in the United States.
John.D. Rockefeller is credited with establishing the oil industry in the United States. His astuteness, efficiency and clear vision helped him to steer through the glut in oil drilling in the early 1860s and establish the oil industry.
