Landowners lying was a big problem.
I would say B manifest destiny
France became an independent country in the ninth century. It was originally called Gaul and controlled by the Celts. The Romans took control of Gaul in the first century<span> B.C. After the fall of Rome, Germanic tribes known as the Franks conquered the area in the </span>fifth century<span> A.D.</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.