When Lincoln said the house "will become all one thing or all the other,” he meant that

A
America would eventually choose between him and Stephen Douglas for president.

B
all citizens either needed to become Democrats or Republicans for the country to be united.

C
slavery would either be abolished throughout America or would become legal everywhere.

D
America should remain divided because the North and South did not want the same things.

C

slavery would either be abolished throughout America or would become legal everywhere.