The battle of anietam affected the focus on civil war by

changing it to southern industrialization. changing it to the construction of a national railroad. leading to the emancipation proclamation. leading to the north giving up its antislavery stance.

d

explanation:

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d