Refers to the tendency to aggress when we perceive that our progress is thwarted.

"Frustration-aggression theory" refers to the tendency to aggress when we perceive that our progress is thwarted.

Frustration–aggression hypothesis, which is also known as frustration–aggression–displacement theory was presented in 1939 by John Dollard and Neal Miller who later in about 1941 developed it further. Other people have since worked on it also.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

6.3%

explanation:

the acceptance rate for yale university is 6.3%. this means that only 6 percent of people who apply actually get accepted!