Complex sentence: By 1688, George Brent had a road cut to Brent Town (later Brentsville, Virginia) and a block house for protection during Indian raids was erected overlooking a major military and trading route.
Split into simpler sentences: By 1688, George Brent had a road cut to Brent Town (later Brentsville, Virginia). A block house for protection during Indian raids was erected overlooking a major military and trading route.