"In 1799, a trading post was established on the Mississippi within the present territory of Iowa. This settlement and the one at Dubuque were abandoned, so that Iowa was practically an unknown and undesired country at the time when it came under the control of the United States in 1803. It was at that time Indian territory, occupied by the Sacs, Foxes, and Iowas, with the still more warlike Sioux on the north and east. "On the 31st of October, 1803, a temporary government was authorized for the recently acquired territory. By Act of Congress, approved March 26, 1803, Louisiana was erected into two Territories and provision made for the administration of each. The upper part was known as the District of Louisiana and included Arkansas, Missouri, and Iowa. This was placed temporarily under the jurisdiction of the Territory of Indiana. On July 4, 1805, all this northern district became the Territory of Louisiana, with a separate Territorial government. The legislative power was vested in the governor and three judges to be appointed by the President and Senate. This condition continued until December 7, 1812, when the Territory of Louisiana became the Territory of Missouri. In 1821, Missouri was admitted into the Union, and this admission of Missouri carried with it the abolition of the government of Missouri Territory, so that for a time Iowa was without any government. It is a question how much law remained in force in Iowa after the admission of Missouri. It is probable that the only civil law in force was the proviso of the Missouri bill, which prohibited slavery north of thirty-six degrees thirty minutes north latitude. No provision was made for that portion of the Territory of Missouri until June 28, 1834, when Congress attached the present State of Iowa, together with other territory, to the Territory of Michigan. "On July 3, 1836, it was included in the newly organized Territory of Wisconsin. On June 12, 1838, the Territory of Iowa was constituted by Act of Congress. This Territory included 'all that part of the present Territory of Wisconsin which lies west of Mississippi River and west of a line due north from the sources or headwaters of the Mississippi to the territorial line.'