Which statement most accurately describes Viking journeys?
a. Vikings traveled mostly by water, reaching the Caspian Sea in eastern Europe and as far west as North America. They made hit-and-run raids--primarily on churches--as they searched for gold and silver.
b. Vikings traveled by land and sea to reach the cities of central Europe and Asia Minor.
c. Vikings traveled by sea, staying close to coastlines and rarely going inland.
d. Vikings traveled by sea, most often to Iceland, Greenland, and North America.