Your heart may race when you are confronted by a lion but not when you are approached by a kitten. this best illustrates the adaptive value of

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.

i don't know. if i were you, i would search it up online : d