All of the following are roles of the president's cabinet except?
a. advise the president on any matter about which he seeks information
b. cabinet secretaries are also oversee their departments
c. declares actions of the president unconstitutional
d. makes sure that the president's policies are carried out

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years

i would say b. or c.