In what ways did the lives of urban workers improve after 1870

Idon't really understand the question. it counts for 20% of my lesson grade and i really need putting the answer into words. anything will . i need asap so im awarding 30 points. a disagreement between states of the united states concerning the rights of states vs. the authority of the national government led to the civil war. state governments were forced by war into a subservient position. what might happen if national governments ceded their authority to a world government by international treaty?

Explain one example of how the u. s has struggles to balance energy independence and environmental

Choose all that apply. from the lesson, which of the following can lead to an empire's collapse? the forming of other empires internal problems na poor economy no one wants to lead unhappy citizens