Hitler hated Jews because he blamed them for the loss of WW1, and Germany agreed with him because they had someone to blame. Jews were also blamed for the economic depression Germany went through, since many of them were bankers and held other positions of power- however, Germany's lack of money was really due to the reparations they had to pay for the war.
The east coast of the United States is affected mainly by the Gulf Stream current, which brings warm water from the tropics into higher latitudes. The warm current flows north along the coast towards Maine, before veering northeast out toward England.