Edward Tolman's is the correct answer.
Edward Tolman was an American psychologist and a famous professor who made contributions to the Psychology studies. Through a serie of researches with rats, Edward Tolman was able to develop the Latent Learning in both animals and humans. He argued that people are constantly learning even when they don't make great effort to it. When we drive or walk the same route home everyday, we learn the location of different buildings, places, and objects. If, for some reason, we're unable of taking the route we're used to take, we will have no problem finding a different one to get home.
Nationalism was a great cause of World War one because of countries being greedy and not negotiating. Nationalism shows you are proud of your country and want it to be the best. A lot of causes all linked back to countries all wanted to be better than each other.
Yes, i think so.
in Feudalism for example, a commoner could get a huge piece of land by offering their services to the nobles
hope this helps