Once The United States Entered The War, Foreign And Domestic Policy Changed. It Had A Great Impact On Our Economy, The Attack On Pearl Harbor, Isolationism, Hitler Declaring War On The USA.
I believe they had a rather uneasy relationship, seen as President Wilson frequently tried to capture Pancho Villa!
The United Nations, because after World War ll the allies created the United Nations to keep international cooperation and diplomacy in an attempt to prevent a third world war
Research by some scholars provides population estimates of the pre-contact Americas to be as high as 112 million in 1492, while others estimate the population to have been as low as eight million. In any case, the native population declined to less than six million by 1650.
I believe there is a book on the matter as well. Good luck. :)
Because the Spanish brought over diseases which wiped out most of the Native American population.
