I believe the answer is 3
Answer: How did trade along the Silk Road affect many of the countries that participated? - The exchange of goods led to economic growth. - The hazards promoted cooperation between countries. ... The exchange of goods led to economic growth.
Explanation: The greatest value of the Silk Road was the exchange of culture. Art, religion, philosophy, technology, language, science, architecture, and every other element of civilization was exchanged along these routes, carried with the commercial goods the merchants traded from country to country.
Farming and trading are Greeks most important economic activities
Answer:
a. Harlan, who is testing a theory about the development of prejudice
Explanation:
Basic research refers to a form of research that carried out in order to prove or disprove a theory that already proposed in the past. This type of research is most commonly used in finding out patterns among common occurrence that people often overlooked.
(in option A, harlan conducted the research to prove whether the theory about the development of prejudice is correct)
In order to achieve the conclusion, Harlan need to set up a control group filled with independent variables that can influence the development of prejudice.