What does the term “Captain of Industry” mean as applied to the businessmen of the late-1800’s?

In the late 19th century, a captain of industry was a business leader whose means of amassing a personal fortune contributed positively to the country in some way. This may have been through increased productivity, expansion of markets, providing more jobs, or acts of philanthropy.

can i know the options so i can answer the qu

the monroe doctrine is the best known u.s. policy toward the western hemisphere. buried in a routine annual message delivered to congress by president james monroe in december 1823, the doctrine warns european nations that the united states would not tolerate further colonization or puppet monarchs.