<span>Politically the Republican dominated from 1861 to 1933. During this period that is 72 years only 16 years were ruled by Democrats which is four terms. To specify, the years of ruling by republican are Lincoln 1861-1865, Johnson 1865-1869, Grant 1869-1877, Hayes 1877-1881, Garfield 1881, Arthur 1881-1885, Harrison 1885-1889. This was continuous period and then there was McKinley 1897-1901, Roosevelt 1901-1909, Taft 1909-1913 and then again Harding 1921-1923, Coolidge 1923-1928, Hoover 1929-1933.</span>
Yes, it is true that s<span>lavery was prohibited north of the Ohio River, since this was a provision in the "Northwest Ordinance of 1787," which sought to balance the slave and "free" states in the Union. </span>
ok lets start....
In the Western world, the Sino–Soviet split transformed the geopolitics of the bi-polar cold war into a tri-polar cold war; as important as the erection of the Berlin Wall (1961), the defusing of the Cuban Missile Crisis (1962), and the end of the Vietnam War (1945–1975), because the rivalry, between Chinese Stalinism and Russian coexistence, facilitated and realised Mao's Sino–American rapprochement, by way of the 1972 Nixon visit to China. Moreover, the Sino-Soviet split voided the Western political perception that "monolithic communism", the Eastern Bloc, was a unitary actor in geopolitics, especially during the 1947–1950 period in the Vietnam War, which led to U.S. military intervention to the First Indochina War (1946–1954).[5] Historically, the ideological Sino-Soviet split facilitated the Marxist–Leninist Realpolitik by which Mao established the tri-polar geopolitics
