Which of the following statements describes the impact of the columbian exchange? select one: a. it had a major impact on europe but little impact on the americas. b. the new interaction spread the bubonic plague from the americas to europe, killing millions. c. the contact harmed the people of europe, africa, and asia and benefited the populations of the new world. d. it transported livestock, crops, and diseases among africa, europe, asia, and the americas.

It transported livestock, crops, and diseases among Africa, Europe, Asia, and the Americas.

The Columbian Exchange was the exchange of items which began during the period of exploration in the 15th century.

The Columbian Exchange moved crops from the Old World to the New World and vice versa. Tomatoes, potatoes, corn, and pumpkin were all transferred to Europe becoming staple food crops for many countries. Europeans brought disease, domesticated animals, rice, onions, and sugarcane to the Americas. Africa was introduced to new foods and manufactured items in exchange for slaves to work plantations in the New World.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.