President Obama signed an order to close the prison due to alleged abuses and use of torture.

Guantanamo

Explanation:

President Obama had numerous promises during his presidential campaign, and one of those promises was that he will close the infamous prison Guantanamo. The reason why President Obama wanted to close this prison was that there were numerous accusations about abuses and torture happening in it on regular occasions. This prison was specially used for the terrorist that were captured, or people that were of big danger for the American society. There has been lot of rumors about this prison, and the most common were that the prisoners were treated in very bad manner, being tortured and abused constantly, though the evidence for it where not really overwhelming.