Why did Iowa statehood initially fail?

(1 point)
Responses

Congress said Iowa's population was too small.

Congress said Iowa's population was too small.

Congress rejected the state's constitution.

Congress rejected the state's constitution.

Iowans refused to approve the state's borders.

Iowans refused to approve the state's borders.

Iowans preferred to remain part of Wisconsin.

Congress rejected the state's constitution.