The United States responded to Japanese imperialism in the 1930s by: O A. blockading Japanese ports to prevent any Japanese warships
from leaving.
B. refusing to supply Japan with oil until it ended its expansionist
policies.
C. urging Japan to redirect its imperialist efforts toward Africa
instead of Asia.
O D. sending U. S. military forces to protect Japan's neighbors in East
Asia.

B. refusing to supply Japan with oil until it ended its expansionist

policies.

Explanation:

The United States embargoed all oil exports to Japan in hopes that Japan would stop expanding. Instead, it heightened tensions between the nations and forced Japan to continue to invade to reacquire the lost resource source. The strained relations would explode in the Attack on Pearl Harbor on December 7, 1941.

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answer: secession

secession, as it applies to the outbreak of the american civil war, comprises the series of events that began on december 20, 1860, and extended through june 8 of the next year when eleven states in the lower and upper south severed their ties with the union. the first seven seceding states of the lower south set up a provisional government at montgomery, alabama. after hostilities began at fort sumter in charleston harbor on april 12, 1861, the border states of virginia, arkansas, tennessee, and north carolina joined the new government, which then moved its capital to richmond, virginia. the union was thus divided approximately on geographic lines. twenty-one northern and border states retained the style and title of the united states, while the eleven slave states adopted the nomenclature of the confederate states of america.

explanation: