Which of the following best describes what labor directly contributes to production? A. Human effort and ideas drive production.

B. Humans create resources to aid production.

C. Human take resources from the earth to supply production.

D. Humans harness energy sources to fuel production.

Which option best completes the diagram? the cold war is the major u.s. foreign policy priority terrorism becomes a major concern of u.s. foreign policy. a. the second iraq war begins. b. the september 11 terrorist attacks occur. c. terrorists attack the 1972 summer olympics. o d. the soviet union collapses.