Policy under which all nations would have equal opportunities to trade in china a.)opium war b.)taiping rebellionc.)sphere of influenced.)open door policy e.)boxer rebellion f.)may fourth movement g.)long marchh.)jiang jieshii.)mao zedongj.)communek.)red guard l.)cultural revolutionm.)deng kiaopingn.)fourth modernizationo.)tiananmen square p.)united states q.)soviet union