The People in this world attract with their Social&religiousEnvironment. At a festival celebration, People with strong health, enjoys their celebration with festive feelings (a some excited) and it also depends on the Distanceofsun, The heat released by sun reaches at a point on the earth, the Weather(An atmosphere of Shorter period of time) comes Hot, African society is the best example for Heatness. Second reason for african atmosphere is States near equator! Antarcticais the great examples of Cold country (Distance from the sunlight) & People also make their environment changed, Deforestation is the best example to Increase the atmosphere of Society.
Here are four different reasons for the development of our two-party system. 1. The force of tradition. 2. The American ideological consensus. 3. The historical basis. 4. The electoral system. I hope this helps.