He kept quiet about the missiles. He did not want anyone knowing he had discovered them.
Use of ground troops: Americanization used US ground troops to fight the war whereas Vietnamization used S.Vietnamese ground troops to fight the war.
Johnson moved the US from an aid and financial backer to a ground force with men in active duty on the front lines in addition to naval and air support. Nixon's policy removed the ground troops, leaving the S. Vietnamese to fight that on their own (with our aid and money) but continued our air strikes and naval support.
You answer that by citing the code of hammurabi
Answer: because you learn from the mistakes and try IT agian
Explanation: it like failing a test and then studying then answering the Same answers right