Which phrase describes the columbian exchange? a the migration of europeans to the americas after 1500 b. columbus's plan for returning to the americas several times c. movement of plants, animals, diseases, and people among continents as a result of european exploration d. the trade between spanish explorers and native peoples in the americas

The correct answer is C. The Columbian Exchange was the movement of plants, animals, diseases, and people among continents as a result of European exploration.

Explanation:

The Columbian exchange was an intercontinental biological exchange that occurred during the historical period of the European discovery of America by Christopher Columbus. It is one of the most important events in the history of ecology, agriculture and culture.

This term was coined by Alfred W. Crosby in 1972, designating the numerous exchanges in agricultural and livestock goods, in human populations and in microorganisms (particularly in microbes responsible for infectious diseases), starting in 1492, between the Old World and the New World as well as between the east and west hemispheres of the Earth.

the hollywood film industry of 1950 was threatened on several different fronts. television broadcasting was rapidly becoming the dominant entertainment medium in the united states. the paramount anti-trust consent decree requiring separate ownership for production companies and theater chains had gone into effect on 1 january 1950. large numbers of young men and women were marrying, having children, and moving to the suburbs, which affected the viability of downtown first-run movie theaters. foreign revenues were endangered by protectionist tactics including quota systems, high taxes, and blocked funds. finally, the morality and patriotism of hollywood films and filmmakers were under attack from government, religious, and citizens' groups.

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