What caused president lyndon b johnson to ramp up u. s millitary involvement in vietnam ?

the name of the theory is landmass theory.

the correct answer is:

true

i am an online student and after i submit my quizzes, it gives me the correct answers to any that i may have missed. the answer to this question is true

your wrong i made a 2.34 out of 4 the answers are 1st qeustion all of them are correct. question 2 the han emperors chose smart, victorious men to work in the government. question 3 during the han dinasty, the teaching in the analects of confucius set the tone for public life. question 4 on a and b are correct.    

the missile gap was the cold war term used in the us for the perceived superiority of the number and power of the ussr's missiles in comparison with its own (a lack of military parity).