Is it true that was iowa a state during the civil war based on the following text?

Iowa had become the 29th state in the Union on December 28, 1846, and the state continued to attract many settlers, both native and foreign-born. Only the extreme northwestern part of the state remained a frontier area. With the development in the 1850s of the Illinois Central and the Chicago and North Western Railway, Iowa's fertile fields were linked with Eastern supply depots as the Civil War began. Manufacturing companies in the eastern part of the state, as well as farmers, could readily get their products to the Union army.
yes