Which of the following was not a leading reason for the united states becoming involved deeper into the vietnam war conflict?
a. fear that the domino theory would go into effect in containment to where it existed wasn't followed, including stopping it in vietnam
b. france decides to withdraw no longer seeking to regain their power in vietnam
c. the involvement of great britain who became to complete for control of vietnam
d. the "attack" on the destroyer maddox that suffered an alleged bombing at the hands of vietcong