Nixon's Presidency began with shady deals and after he made some good decisions; however, it is debated on whether or not he was a good president. After his terms as president the American people were confused on if they could trust leaders in the Government.
Nixon believed that if this central area of Indochina fell to Communism then the other countries near would also fall. This Idea or theory was called the "Domino Effect"...
The Original strategy for the War was Search and Destroy. Find all enemy contraband and destroy it. When Nixon took control he decreased this and increased the bombing campaign.
Nixon ended the War in Vietnam with the Vietnamization strategy. Training the South Vietnamese to take over for the United States in the War.
Nixon was so obsessed with winning the 1968 election that he hired men to enter the Watergate building and place listening devices to find out the Democratic strategy for the election. In the end he was his own downfall.
Nixon's presidency is mostly remembered for his scandal in Watergate; however, he did help the country in many ways. Now it's up to you to decide whether or not his presidency was good or not...