Complex sentence: After college, he was a sheep rancher in Hells Canyon in Idaho during the Great Depression, and then settled in Grangeville, where he established a farm implement business, a real estate agency, and an automobile dealership.
Split into simpler sentences: After college, he was a sheep rancher in Hells Canyon during the Great Depression. He settled in Grangeville, Idaho, where he established a farm implement business, a real estate agency, and an automobile dealership.