Driving at 55 miles per hour saves gas
The system of feudalism that evolved in western europe ultimately led to the emergence of the Hundred Year Wars. It was<span> a series of religious </span>wars<span> fought for control of Jerusalem. During the Crusades, many </span>feudal<span> lords died, so kings reclaimed their land and regained power.</span>
<span> to secure self-protection and self-preservation</span>
Answer:
d)
built up a navy including aircraft carriers, cruisers, planes, submarines, etc
