The river guide carry a rifle because then he can shoot rapids!
The problem is that cows are getting sick due to a disease that appeared in England in 1986. The solution that they went with is to get sick cows off the food supply
Answer
On August 6th the US Air Force dropped an Atomic bomb on the Japanese city of Hiroshima. The city was destroyed and over 70,000 were killed immediately from the effects of the blast. Three days later a second bomb destroyed Nagasaki.
D., Life. Since it is a more vague word and its meaning carries more weight than the others, I would say it has the most connotative associations.
Alex and himself. He wants to be better and is worried he will not do well.