Answer:
Look down
Explanation:
Firstly, since they were so different, and that fed into American's fear of the unkown. It also made Americans nervous because they felt outnumbered by these foreigners, and they felt like immigrants were going to take "their america."
Reduces the visual acuity or sharpness
Alcohol, or any other drug which reduces the supply of oxygen in the bloodstream, can impair the sensitivity of the cones which, in turn Reduces the visual acuity or sharpness.