The yellow hot air balloon is 50 ft above the ground and is rising at 3 ft/sThe red hot air balloon is 80 ft above the ground and is riding at 2.5 ft/sWhen will the yellow be higher than the red

Which of the following events did not occur as a result of china’s open-door policy? a. trade between japan and china was encouraged. b. all countries were given equal access to chinese ports. c. foreign influence in china increased. d. the influence of the communist party weakened.