A. Native Americans established a distinct system of tribal laws.
B. Free African Americans formed a local abolitionist government.
C. Supporters and opponents of slavery each set up territorial governments.
D. Congress made slavery legal in one part of the state and illegal in another.
In 1855, when Kansas was partaking its legislature elections, the abolitionists then set up their own government in Topeka. On the other hand, many pro-slavery people came from Missouri to vote. They desired to elect pro-slavery officials. They won the elections and set up their own government at Shawnee Mission which are 2 governments. So the answer is letter C.