Hotaka can vividly recall the devastating experience of barely surviving the tsunami that took the lives of many others. it is likely that the stress of that experience provoked the to boost activity in the memory-forming areas of his brain.
(a) hypothalamus
(b) cerebellum
(c) thalamus
(d) amygdala

(D) amygdala.

Explanation:

Situations that are particularly emotionally draining or stressful are very likely to become long-lasting memories.  Arousing or extremely anxious situations can activate the Amygdala´s limbic system,  increasing activity in the memory-forming regions of the brain. 

Stress hormones discharged by the adrenal glands are vital for the consolidation of emotionally exciting or shocking memories. 

it should be c, women were allowed to vote in all states because federal law supersedes state law.

"states can make their own laws, as long as they don't contradict what the federal law states. the states do not have the authority to pass a law that negates a federal law." -google

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.