Which of the following was an important result of the
open door policy?
a. it protected u. s. trade in china.
lo
b. it protected china from foreign influence.
o
c. it dissolved european spheres of influence.
o
d. it provided the u. s. complete control of chinese
trade.

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste