Complex sentence: Brooks had been approached several times to trade but had so far refused, on August 6, Bullfrog with his wife Marungali asked him to trade and Brooks offered some food in exchange for Marungali washing his clothes.
Split into simpler sentences: Brooks had been approached several times to trade but had so far refused. On August 6, Bullfrog with his wife Marungali asked him to trade and Brooks offered some food in exchange for Marungali washing his clothes.