Why is illegal immigration a controversial issue? (giving brainliest if its right)

A. People think that the current laws on immigration address the issue well.
B. There are far fewer illegal immigrants each year than naturalized citizens.
C. Americans disagree on whether immigration law should change to address it.
D. Most naturalized citizens first entered the United States as illegal immigrants.

Read the excerpt from “strychnine in the soup,” in which mr. mulliner explains the ending of a mystery novel to a bar patron who is anxious to know the conclusion of the story. “the plumber forgot his snake and had to go back for it,” explained mr. mulliner. ‘‘i trust that this revelation will prove sedative.” “i feel a new man,” said the draught stout. “i’d have lain awake worrying about that murder all night.” explain how a student who did not know the meaning of sedative could infer its definition?