The Mayflower compact was when the pilgrims established a set of rules for Plimoth.
My guess is 100 miles I hope that helps :)
I would think that it is C but I'm not that sure so get more answers.
D: Vinson act increased the strength of the US navy by 20%
Congress would not ratify the SALT II treaty because D) The Soviet Union invaded Afghanistan and C) Russian combat troops were found in Cuba. Because of these two reasons Congress did not ratify the treaty. Six months after signing the treaty, the Soviet Union invaded Afghanistan and the United States discovered that there was a Soviet Union brigade stationed in Cuba which led to the treaty not being ratified.