Read the sentence from "Island of Hope, Island of Tears."

Question

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

Answer 1

The phrase that signals a cause-and-effect relationship in the sentence is "and thus." This phrase indicates that the grouping of Chinese herbalists with merchants led to the result of them being allowed entry.