Complex sentence: Despite these worries, the primary role of Jewish slave traders lay in facilitating the exchange of captives between Muslim and Christian rulers, one of the primary threads of economic and political connectivity between Christian and Muslim Iberia.
Split into simpler sentences: Despite these worries, the primary role of Jewish slave traders lay in facilitating the exchange of captives between Muslim and Christian rulers. One of the primary threads of economic and political connectivity between Christian and Muslim Iberia.