Complex sentence: Snorri Sturluson's writings provide information and indications concerning persons and events influencing the peoples inhabiting North Europe during periods for which relevant information is scarce: thus, for example, he can be used to illuminate relations between England and Scandinavia during the 10th and 11th centuries.
Split into simpler sentences: Snorri Sturluson's writings provide information and indications concerning persons and events influencing the peoples inhabiting North Europe during periods for which relevant information is scarce. Thus for example he can be used to illuminate relations between England and Scandinavia during the 10th and 11th centuries.