Answer: sorry it didnt come up for this one but if i had to guess i would say its C. to prevent shortages. i think so because during ww1 they had to seen a lot of food for the troops that were fighting the was so they used the coupons to help prevent the sortages :)
Explanation:
Building things out of stone takes a lot of effort. Large structures show that Mayans were devoted to their government enough to help build. It also shows that they were organized enough to gather people for the project.
Money and land and power to its country
B. a project to develop atomic bomb
