I believe the answer is: <span>desert, hot, rugged
This climate made the region have insufficient water to sustain a lot of people and make it really hard for many agricultural crops to grow.
Because of this, not many populations able to survive in this area and many of them choose to migrate to another place.</span>
Answer:
unity of effort
Explanation:
Combatant commanders and subordinate joint force commanders work with U.S. ambassadors (or diplomatic missions), Department of State, and other agencies to best integrate the military actions with the diplomatic, economic, and informational instruments of national power in order to promote <u>unity of effort</u>. The aim of each unit working together is to realign their efforts towards achieving a specific goal, each unit of operation possess their own capability. However, working together will ensure unity of efforts towards achieving a specific goal.
You can search on the internet or your book because I am not sure
