Complex sentence: Billy C. Tanner, an Alabama developer and campaign manager for George Wallace's campaign in the 1964 US presidential election bought it; but he could not secure financing to complete the transaction and subsequently sold his option to Don Tidwell, a mobile-home manufacturer.
Split into simpler sentences: Billy C. Tanner, an Alabama developer and campaign manager for George Wallace's campaign in the 1964 U.S. presidential election, bought it. However, he could not secure financing to complete the transaction and subsequently sold his option to Don Tidwell, a mobile-home manufacturer.