Which statement best describes the motivation for the Army Service component command focus transferring from "Setting the Theater" to "Setting the Joint Operations Area"? A. Combatant commander priorities shift to a specific nation or area and/or a joint operations area is established B. U.S.C. Title 10 and / or Army support for other Services requirements increase beyond the capabilities of the initial theater set C. Diplomatic agreements allow U.S. forces to have access to ports, terminals, airfields, and bases within the operational area