NAFTA was important to North American countries because it . A. broke down trade barriers B. established a military alliance C. promoted alternative energy sources D. provided free healthcare for all people

Option A (broke down trade barriers) is the appropriate choice.

Explanation:

The other alternatives aren't related to the type of situation in question. Therefore this response seems to be the correct one.

a

Explanation:

answer; i believe that the correct answer is (the explosion of a nearby star(supernova);

моля да ми помогне с английски език аз не разбирам

molya da mi pomogne s angliĭski ezik az ne razbiram