Using the word "the" instead of "a" can make a difference in the way respondents answer a question

Which of the following is an expected consequence of the implementation of the North American Free Trade Agreement?

A. Low-skilled jobs will be moved out to Mexico resulting in lowering of average wage rates in the United States and Canada. B. Increased imports from Mexico will help reduce the huge trade deficit for United States and Canada. C. Lower incomes of the Mexicans would allow them to import fewer U.S. and Canadian goods, thereby decreasing demand. D. A large number of Mexican firms will hire low-skilled workers from the United States. E. Some U.S. and Canadian firms would move production to Mexico to take advantage of lower labor costs.

MAPD measures ________

Fill in the blank with correct word.