<Ul> <Li> Minnesota Territory was split from Iowa Territory in 1849 and part of the Minnesota Territory became the state of Minnesota in 1858 </Li> </Ul> <Li> Minnesota Territory was split from Iowa Territory in 1849 and part of the Minnesota Territory became the state of Minnesota in 1858 </Li> <Li> Dakota Territory was organized in 1861 from the northern part of Indian Country and Minnesota Territory . The name refers to the Dakota branch of the Sioux tribes . <Ul> <Li> North Dakota and South Dakota became separate states simultaneously in 1889 . </Li> <Li> Present - day states of Montana and Wyoming were also part of the original Dakota Territory </Li> </Ul> </Li> <Ul> <Li> North Dakota and South Dakota became separate states simultaneously in 1889 . </Li> <Li> Present - day states of Montana and Wyoming were also part of the original Dakota Territory </Li> </Ul>

Which of the following regions remained a us territory in 1900