How was the fighting in Vietnam different from how the US Army was trained? How could this be an advantage to the North Vietnamese/Vietcong over the technologically superior American Army?

the correct answer is:

b) a rich merchant.

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without