PLEASE HELPFUL ANSWERS ONLY
How can assumptions force opinions and limit perception

okay so basically An assumption is an unexamined belief: what we think without realizing we think it. Our inferences (also called conclusions) are often based on assumptions that we haven't thought about critically. A critical thinker, however, is attentive to these assumptions because they are sometimes incorrect or misguided.

Explanation:

Hope that helps, that is all i got

answer; /// the correct answer to the above statement is (a) because of the decline on native american labor forces;