To suppress black republican voters and poor white republicans from being able to register to vote which pretty much eliminated the republican party in the south for decades and the democrats gained one party control through the southern states.
Congress would not ratify the SALT II treaty because D) The Soviet Union invaded Afghanistan and C) Russian combat troops were found in Cuba. Because of these two reasons Congress did not ratify the treaty. Six months after signing the treaty, the Soviet Union invaded Afghanistan and the United States discovered that there was a Soviet Union brigade stationed in Cuba which led to the treaty not being ratified.
B. the prohibition of sharecroping by freedmen in Indian Territory
Thomas Edison invented the most widely available version of the light bulb. With the advent of AC/DC electricity cities soon began to have streetlights. This would make for a good crime deterrent.
