An 8th-grade social studies teacher is having students look at a pie chart that shows government spending. The students will use the percentages in the pie chart to calculate how much money the U.S. spends on each government program. The social studies discipline best described in this lesson is: An 8th-grade social studies teacher is having students look at a pie chart that shows government spending. The students will use the percentages in the pie chart to calculate how much money the U.S. spends on each government program. The social studies discipline best described in this lesson is: A. Economics B. History C. Civics D. None, this is a math lesson