Why was the battle of antietam considered a turning point in the war?

In what ways were the rock ‘n’ roll musicians and the beat poets of the 1950s similar and different? support your answer with details from the text.

How does cooperative federalism work in the united states? a. state and federal governments have different and overlapping responsibilities b. branches of the federal government can check one another's power. c. when amending the constitution, citizens vote directly. d. bills passing the house of representatives must also pass the senate.

Which options most accurately assess the impact of transportation improvements (e.g., railroads, canals, steamboats, transcontinental railroad) on the settlement of the west? ***(select all that apply.)*** a. they led to an increase in population density. b. they made it easier to travel long distances. c. they in establishing towns. d. they led to the development of the fur trade. e. they allowed for international travel.