Lyndon B Johnson should be correct
<span>In the Triassic period all of North America was similar to the Indonesian archipelago. After the heavy snow in the last mini-ice age the receding snows left huge craters resulting in the popular Great Lakes. Thus, altering the topography of the planet. </span>
The answer is C - Bengaluru (aka Bangalore)
I am confused about your question, because neither Truman or Eisenhower were around when Vietnam was happening...
If you clarify, I might be able to answer your question