Complex sentence: The post was initially called "aux Arcs" (at the home of the Arkansas, another name for the Quapaw) by the French settlers, and the first buildings erected at the site were a simple wooden house and fence.
Split into simpler sentences: The post was initially called "aux Arcs" (at the home of the Arkansas, another name for the Quapaw) by the French settlers. The first buildings erected at the site were a simple wooden house and fence.