>> thank you. >> mao's successor, deng xiaoping had a toottlely opposite approach. >> millions have died bar lack of food. >> his main goal was to make his poverty stricken country rich. so he opened their borders to trade and sought peaceful coexistence with the west. >> deng xiaoping came up with a theory that he called hide your strength and bide your time. just st steadily invest in the chinese economy and just ease your way into the international system. >> the first peacekeeping engineering unit. >> china funned the u.n. and provided humanitarian aid, a remarkable turnaround from the days of mao. >> the chinese communist party is about to announce a new leader. >> but when xi jinping took power in 2012 --