To the cheers of his supporters, he vowed to build more jails to imprison his political opponents who he says are corrupt.

VOA: standard.2009.07.19

He vowed once again that America will do all it can to halt piracy in the region, working in concert with other nations around the world.

VOA: standard.2009.04.13

He banned harsh interrogation techniques, and vowed to shutter the detention facility by 2010.

VOA: standard.2009.05.21

He also has vowed to "redouble the company's commitment to quality."

VOA: standard.2010.02.15

Republicans like former House Speaker Newt Gingrich have vowed to keep the pressure on Mr.Obama on Afghanistan, as he did in a recent speech at the American Enterprise Institute in Washington.

VOA: standard.2010.07.30