This extensive source, an excerpt from the Wikipedia entry on Iowa, provides a comprehensive overview of the state across numerous facets. It systematically details Iowa's history, from prehistory and early European colonization to its Civil War contributions and transition to a mixed economy. Furthermore, it extensively covers the state’s geography (including boundaries, geology, and climate), demographics (population, ethnic origins, and religion), and culture (attractions and arts). The text also outlines Iowa's modern economy, which includes manufacturing, agriculture, and renewable energy, and concludes with information on its law and government, transportation, and notable civil rights milestones.