It was important because it was something like a first document on running a colony. Basically, if people wanted to sign it then they would and they would have to obey it. They would work hard and do their best to improve the colony and those not supporting the growth of the colony would be punished.
The one the only, the ever so infamous, Joseph Stalin.
Too many countries wanted to take over. Wanted to be the best and so they ended up having alias and getting countries against each other.
Answer:
the transcontinental railroads were built all around the US and were used for trade and to transport goods all over the place
