"american settlers moved west all throughout the 1700s. in 1787, the northwest erritory was created by congress. the territory covered lands stretching across that is now ohio, michigan, indiana, illinois, and wisconsin. The town of maretta served as the first territorial capital.

identify the sentence in the paragraph which is written in passive voice.
a. in 1787, the northwest territory was created by congress
b. the town of maretta served as the first territorial capital
c. the territory covered lands stretching across what i snow ohio,michigan,indiana,illinois, and wisconsin.
d. american settlers moved west all throughout the 1700s.