Answer:
they are other obstacles that prevent new competitors from entering an industry or area of business. barriers to entry benefit existing firms because they protect their revenues and profits
Explanation:
C. They made a treaty with China to explore the area
History of Slavery in Nigeria
Although local slavery was officially prohibited by the colonial British administration from the mid-1880s, they tacitly permitted it to continue well into the 1930s, ending completely only in the 1940s.
