Answer:
number 18 is "european leaders met to decided how to divide africa"
<span>The correct answer is The Union used its superior number of ships to keep the South from exporting or importing foreign goods. This strategy effectively exploited the Confederate weakness and weakened it economically. Without being able to export or import, the Confederacy was further weakened as it could not access goods needed or generate income.</span>
During World War II, the United State had a strong battle against Japan because of early attacks like Pearl Harbor. In the last year of the war, the US found a way to deciphered code messages from Japan. Thanks for the cryptographers that the US had, they were able to decipher around 90,000 words regarding their plans.
Thanks to this, the US was able to know Japanese plans and defend themselves for any Japanese attack before they could even strike.
