Read the sentence from "Island of Hope, Island of Tears." Immigration officials grouped Chinese herbalists--medical practitioners who use different mixtures of herbs to prevent and treat various ailments--with merchants, and thus they were allowed entry.

Which phrase signals a cause-and-effect relationship?

who use
to prevent
and thus
they were

C: and thus

Explanation:

c

Explanation:

you didn't list the options but im guessing it's resolving contradictions

b. cronkite, a trusted television personality, declared that the war was unwinnable and told the american people that the government had better find a way out

even though it went against everything the news anchors typically stood for, cronkite voiced an opinion and took a stance, telling the us that there was no way they were going to win, the war was going to end in a stalemate.