Why is the us constitution an important influence during the period from 1850 to 1890? 2. how did the economy of the united states change during this period? 3. abraham lincoln was elected president in 4. what did the civil war decide about the relationship between state governments and the central government? 5. in 1867, the united states buys from 6. how did the expansion of the frontier affect native americans? 7. what are the three causes that reformers fought for during this period?

Read the sentence below about the chicago fire of 1871. schaffer told someone else to strike the wrong alarm box and that caused a miscommunication during the chicago fire of 1871. which revision is the best example of adding concrete details? schaffer told another person in his office to sound the wrong alarm and that caused a big miscommunication during the chicago fire. schaffer told his assistant to strike the wrong alarm box and that caused a miscommunication during the massive chicago fire of 1871. schaffer mistakenly told his assistant to strike alarm box 342 instead of the correct box and that caused a miscommunication during a fire in chicago. schaffer mistakenly told his assistant to strike alarm box 342, and as a result, firefighters were directed to an incorrect location during the chicago fire of 1871.