Should shellfish, which is labeled frozen but received thawed be excepted

Hurry need it ! 35 points in achebe’s things fall apart, the igbo people live in a patriarchal society; accordingly, they worship several different gods all property and authority belong to men all business transactions are done by barter they live under the authority of a foreign ruler

What does the word sequence mean in paragraph 7 of the passage

Those are books that need to be returned to the library what is the antecedent of the pronoun those