Answer:
I would say into WW1 because of the Zimmerman affair.
Explanation:
United States entered the WW1 in 1917, although for three years they were not officially involved in it. But, then a telegram was intercepted, in which an official letter was sent to Mexico by German authorities.
According to it, Mexico was to declare war on United States, while Germany will support them in the war efforts.
Many historians are doubting the reliability of this document.
Answer:
France and England
Explanation:
France and England were the two countries who had land claims in Canada. The treaty ending the French Indian War, in 1763, relinquished France's land claims in Canada.
Answer:
they both have to do with going south
Explanation:
Because of them
Answer:
strengthning city walls
improved the cities irrigation system