Complex sentence: Starting in either the 10th or 11th century, when West Norse sailors explored and briefly settled on the shores of present-day Canada, according to Icelandic Sagas, violent conflicts with the indigenous population ultimately led to the Norse abandoning those settlements.
Split into simpler sentences: Starting in either the 10th or 11th century, when West Norse sailors explored and briefly settled on the shores of present-day Canada. According to Icelandic Sagas, violent conflicts with the indigenous population ultimately made the Norse abandon those settlements.