Review the main idea. the task of building the pyramid obviously required a huge workforce. which detail best supports the main idea?

the construction of the pyramids was a huge accomplishment.

experts today estimate that 20,000-30,000 laborers worked on the pyramid at any one time.

whichever shape ramp was used, the egyptian workers toiled extremely hard.

large work crews were divided into smaller ones called phyles, which in turn were divided into teams of 10 or 20 (morell 88-89).

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: between 20,000 and 30,000  laborers is to be considered a huge workforce.

Wrokforce: all the people who work for a company or organization.

yes, it can be both.

umm we do not your answer or what you are talking about