What event led to the opium war from 1839-1842 between Britain and china A. the british were unable to negotiate trade deals with China
B. china found an abundance of opium in india, which it hid from the british.
C. india and china made a trade deal and excluded the british.
D. south china was seized by Indian opium dealers.

Why did some states believe they had the power to overturn federal laws?

Which of the following events happen during president hardings term? a) the supreme court decided to break up large corporations. b) the supreme court strength and state laws protection labor union. c) the supreme court ruled in favor of extended regulations of child labor. d)the supreme court made it easier for large businesses to operate.

Initialy plantations everywhere growing cotton