What describes part of the columbian exchange? a. millions of asians died of disease. b. potatoes and tomatoes were introduced in the americas. c. people from africa were brought to the americas. d. horses and cattle went from the americas to europe.

the answer is mass marketing.

you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow