Which of the Following Happened as the Settlers of Kansas

Which of the following happened as the settlers of Kansas prepared to hold an election to set up their territorial government?

A) Abolitionists entered the territory to hold protests against slavery.
B) Missouri moved slaveholding families into Kansas so they could vote for slavery.
C) The people of Kansas became so disgusted with the outsiders that they threw everyone out.
D) The territory experienced a pre-election bloodbath as the two sides raged against each other.
E) It appeared that most legal residents of the territory were proslavery.