In 1927 Dr. Frederick Lam in Hawaii, moved by the plight of Chinese families deported from the islands because of the filariasis, worked to convince federal health officials that the disease was non-communicable. He used the case of Mrs. Lee Yoke Suey, my grandmother, as a precedent for allowing an immigrant to land with such an ailment and thus succeeded in breaking down a major barrier to Asian immigration.

Using context clues, determine what the word precedent means in the selection.


A. Mrs. Suey's case was used as an example of the atrocities committed at Angel Island.

B. Mrs. Suey's case was used as an example which resulted in successful immigration for Asians.

C. Mrs. Suey was the only individual allowed to immigrate with filiariasis into the US.

D. Mrs. Suey was discouraged from attempting to pursue her case.