It would be the first one <span>object complement</span>
Answer:
Explanation: When the other countries were not able to get influenced by the US diplomacy and foreign aid strategies they then used to take help of the military force to cover the many parts of the world.
They used several policies to lure in the other countries but some who didn't get influenced had to fight on the battleground. one such war was Korean war.
Jack Fox was on Utah, he was getting to do his job. As a medic he had one of the most dangerous jobs in the army. Unarmed, the medics were always in the front lines and often exposed to the enemy. Jack must have wondered many times whether he was going to survive the carnage. Still, he kept on going, carrying his medical kit and ready for whatever was thrown at him.
Hope it helped you out :)
Any kind of transportation using fuel will cause polution. Less Fuel = Less Polution