Answer:
B: Experts today estimate that 20,000- 30,000 laborers worked on the pyramid at any one time.
Explanation:
The main idea about the task of builting the pyramid, which required a huge workforce, is supported by the detail described in option B that says that the experts estimate the number of workers involved in this colossal project: <em>between 20,000 and 30,000 laborers is to be considered a huge workforce.</em>
Wrokforce: all the people who work for a company or organization.
Answer:
Crusades were taking place, other important changes were occurring in medieval society. Between 1000 and 1300, agriculture, trade, and finance made significant advances. Towns and cities grew. This was in part due to the growing population and to territorial expansion of western Europe.
I believe the answer is D. Contract.
I chose this answer because 'indenture' means a formal, legal agreement, contract, or document.