•boston • new york • philadelphia • charleston the cities above were all important cities in colonial america and in the early years of u. s. history. trade was a major part of the economies of these cities because they were all ports that could ship goods on the atlantic ocean. they were connected to each other by an extensive system of roads. they were all located in the north and could easily ship goods to canada. they were located on the ohio river and would ship goods to the west.

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions