Which of the following factors was the reason the u. s. placed a trade embargo on japan?
a
japan stopped oil shipments to the u. s.
b
japan’s attack on the u. s.
c
japan’s treaty with germany and italy
d
japanese expansion into china and french indochina

B, because of the Pearl Harbor on December 6th

C because they were allies with Italy and Germany to fight the U.S., U.k., France etc...

D Everything is correct there except one thing; Japanese people also gained control of South and North Korea.

where are the statements?

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).