significantly raise the cost of iranian defiance. we systematically increased our military capabilities in the region, daeepening our cooperation with partners and sending additional fire power, battleship, strike aircraft and most advanced radar and missile defense systems available. meanwhile, i traveled the world, capital by capital, leader by leader, twisting arms to help build the global coalition that produced some of the most effective sanctions in history. with president obama s leadership we worked with congress and the european union to cut iran off from the world s economic and financial system. and one by one, we persuaded energy-hungry consumers of iranian oil, like india and south korea, to cut back. soon, iran s tankers sat rusting in port. its economy was collapsing.