One of the disadvantages of experimental research is
a. it isn't easily replicated
b. it doesn't often reflect reality
c. the results aren't generalizable
d. conditions are not controllable

What was the most significant result of the opium wars? a. china’s navy was exposed as incompetent. b. china could no longer impose tariffs. c. they increased britain’s influence in china. d. they decreased europe’s influence in china.