Im not sure, but i think that its c. i hope this helps
He traveled on down the <span> St. Lawrence river to attack Quebec. </span>
By definition, the word "scarcity" is an economic problem which mainly revolves around on the idea that the limited resources a state has are not sufficient in providing the needs of the people. In addition, one of the measures done by the government to address this problem would be to by "<span>choosing options that best match supply with demand."</span>