B, atomic bombs is the correct answer
Explanation:
The profit motive is the driving force of American economy because it:
*forces business owners to exercise financial discipline
*encourages entrepreneurs to take rational risks
*rewards innovation by letting creative companies grow
The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
Most likely for medical purposes or food
