The South feared that losing the slaves would have a severe economic impact on cotton plantations. Abraham Lincoln was elected as the President in 1860, seven Southern states left, or seceded, from the United States. They formed the Confederate States of America. In April 1861 four more states seceded, and the Civil War began. In less than 5 years, more than 600,000 men were killed. Five days after the surrender treaty was signed, President Abraham Lincoln was assassinated by a Southern sympathizer. But in the end of the war slavery was abolished. At the outbreak of World War I in 1914, the United States remained neutral. However, attacks on ships by German submarines and the discovery of a German plan to involve Mexico in war with the US led Congress to declare war on Germany in 1917. The arrival of two million military units changed the balance enough to enable the Allies to win the war. The Senate didn't want US to get involved with
across the Missouri." Cooper himself had little or no personal contact with Native Americans, just like the vast majority of his contemporary readers, who, to borrow Randall C. Davis's words, "accepted without hesitation the distinction between 'savagism' and 'civilization' as an explanation for Native Americans' perceived inabilities to assimilate neatly into EuroAmerican society." Though widely viewed as a sympathizer, if not a staunch advocate, for Native Americans, "Cooper was ambivalent about the westering advance of the society to which he belonged." Perhaps that is the reason why he did not clearly reveal in The Leatherstocking Tales his stand on the cultural clashes between the whites and the natives, especially the removal of the native from their lands. He seems to be more concerned with the ways of acculturating the native into the white society. While
Still there came no sign that America was going to enter the war. Though it seemed that Germany's announcement of unrestricted torpedoings of American ships had made, as Bernstorff himself had warned in cables read by Room 40, "war unavoidable," the American President seemed unable to do what the British thought that honor, self-respect, and the whole course of recent actions made obligatory. Even Ambassador Page, a long-time friend of the President and a wholehearted sympathizer with the Allied cause, was irked enough to note in his diary, "The danger is that with all the authority he wants (short of a formal declaration of war) the President will again wait, wait, wait—till an American liner be torpedoed! Or till an attack is made on our coast by a German submarine!" Evidently Wilson was waiting for the "overt acts" that he had mentioned in his address to Congress. But perhaps Germany would not actually be so rash as to torpedo American
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