Accidents. I've heard of television sets falling on and crushing children before or heavy furniture (please try and bolt your things to the floor if you have or expect to be having small children over!!)
First one is phaseB. the other one is phaseA.
Answer:
Reinforcer
Punishment.
Explanation:
Operating conditioning is a learning method that was developed by one of the most influential psychologist B.F Skinner, and it works through rewards and punishments for changing behavioral patterns. According to this theory, while a behavior followed by reinforcement strengthens the preceding actions, actions resulting in punishment will weaken and are less likely to occur again in the future.
Four reasons that the US switched from isolationism to imperialism were as follows economic, social, political and lastly religious motives.
Explanation:
Economy was the main cause that lead to imperialism , Americans understood that new markets are required for the export purpose. Second cause was social and moral motives that is the Americans understood that western ideas should be circulated mainly they circulated ideas related to medicine, law as well as religion. Political was also important cause that lead to imperialism that competition took place so that new colonies can be formed.