Answer:
I don't know but this <em>might</em> help:
The Scientific Revolution and the Enlightenment
The scientific revolution laid the foundations for the Age of Enlightenment, which centered on reason as the primary source of authority and legitimacy, and emphasized the importance of the scientific method.
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.
D. southeast Asia
Vietnamese culture is uniquely its own but has a lot of Chinese influence
B: settle the US from the Atlantic to the Pacific Ocean
