What Did President Obama Do in His Second Term That

What did President Obama do in his second term that involved dealing with a historic enemy of the United States?

A) He apologized to the governments of Colombia and Honduras for the use of unauthorized military force in the war on drugs.
B) He moved to establish diplomatic relations with Cuba.
C) He established diplomatic relations with Afghanistan.
D) He supported a military coup in Egypt that ended badly for the United States.
E) He brokered peaceful relations with Iran.