In which sentence does the underlined noun clause function as a direct object

The most influential immigrant group in texas came from

Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies

Hurr. in addition to emancipation, what did most abolitionists in north carolina support? a) providing freed slaves with land in the west b)allowing freed slaves to become part of us society c)expanding slavery into western territories d)establishing slave codes in the south