One of President Obama's Greatest Disappointments in Domestic Policy During

One of President Obama's greatest disappointments in domestic policy during his second term has been

A) his failure to persuade Congress to enact comprehensive immigration reform that would provide undocumented immigrants with a pathway to citizenship.
B) his failure to persuade the Supreme Court to declare the 1995 Defense of Marriage Act unconstitutional.
C) his failure to persuade the Supreme Court to uphold Arizona's immigration law, authorizing local police to detain people if there was a "reasonable suspicion" they were undocumented immigrants.
D) his inability to repeal the military's Don't Ask, Don't Tell policy.
E) his failure to persuade the Supreme Court to declare Section 4 of the Voting Rights Act of 1965 unconstitutional and abolish the federal clearance provisions of the law to changes in election law made by particular states.