Complex sentence: By the 1490s a series of oceanic explorations marked the Age of Discovery, establishing direct links with Africa, the Americas, and Asia, while religious wars continued to be fought in Europe, which ended in 1648 with the Peace of Westphalia.
Split into simpler sentences: By the 1490s a series of oceanic explorations marked the Age of Discovery, establishing direct links with Africa, the Americas, and Asia. Religious wars continued to be fought in Europe, until the 1648 Peace of Westphalia.