Sally is a hard-worker in my case.... I'm not 100% what this means but I'm sry... XD
Answer:
45 States
Explanation:
The first states to ratify the U.S. Constitution were Delaware, Pennsylvania and New Jersey, in December 1787, and they were joined by the remainder of the thirteen ex-British colonies by 1790. Another three states joined before the turn of the nineteenth century, and there were 45 states by 1900.
B:<span>it was a waterway for farmers and merchants to get their goods to the east coast. this is your answer</span>