Complex sentence: Situated along the Siskiyou Trail, Redding was a trade and travel route connecting California's Central Valley and the Pacific Northwest, the site of Redding was occupied by Native Americans of the Wintu tribe from about the year 1000.
Split into simpler sentences: Situated along the Siskiyou Trail, Redding was a trade and travel route connecting California's Central Valley and the Pacific Northwest. The site of Redding was occupied by Native Americans of the Wintu tribe from about the year 1000.