What was president kennedy's reason for initiating u. s. military involvement in vietnam?

a. to protect french possessions in indochina
b. reunify north and south vietnam as a democratic nation
c. to prevent the vietcong from overthrowing the south vietnamese government
d. north vietnam from spreading communism to laos, cambodia, and thailand

The correct answer is option c. "to prevent the Vietcong from overthrowing the South Vietnamese government". President John F. Kennedy was a fervent believer that communism must be contained. Therefore he followed the policy of the former US President and supported South Vietnamese government against the Vietcong during Vietnam War.

the answer would be a i think?

since most of current immigration into the u.s., both legal and illegal, is coming from latin america. it would be very difficult to imagine or rationalize a country my fellow citizens are trying desperately to flee into, would pose a threat to my prosperity or freedom. since the u.s. has a long history of intervention, but no record of permanent occupation, i would not feel oppression is the main objective.  

the largest free trade nation, along with the largest gdp in the world wanting to expand it's economic policy on us, and including us, could only be positive. the u.s. government has no interest in, or way of simply forcing american culture on us. and has no track record of it. other nations that adopted american social culture, or "americanization" did so voluntarily, mainly through the choice of allowing american businesses and u.s. citizens to come into their nations, as free operatives.