HURRY TIMED TEST, I will give brainliest to first correct answer. As a result of the McKinley Tariff in 1890,

a.
prices for Hawaiian sugar dropped, and the islands’ economy collapsed.
b.
Hawaiians were able to drive out foreign sugar planters.
c.
Hawaiian sugar was shipped duty-free to the United States for the first time.
d.
Hawaii ceased to be of interest to the United States.