What piece if data clearly indicated thag there was no longer a western frontier?​

Con pering. com = apex learning united states history and geography sem 1 1.5.2 test (cst): becoming american question 12 of 20 2 points list the following events in the correct chronological order. * the boston tea party occurred. britain repealed all of the townshend acts except the tea tax + the committees of correspondence and safety were established submit