Final answer:
Europeans began exploring by sea for several reasons, including finding new trade routes to Asia, seeking wealth and power, being driven by the Renaissance spirit, spreading Christianity, and utilizing technological advancements in shipbuilding and navigation.
Step-by-step explanation:
Europeans began exploring by sea for several reasons. Firstly, they were motivated by the desire to find new trade routes to Asia, as the overland routes were controlled by the Ottoman Empire and were expensive and dangerous. Secondly, they were driven by a desire for wealth and power, as the discovery of new lands and resources could bring great economic benefits and increase the prestige of their countries. Thirdly, they were influenced by the Renaissance spirit of curiosity and discovery, which encouraged exploration and scientific inquiry. Fourthly, they were inspired by the religious zeal of the time, as many saw exploration as a way to spread Christianity to new lands. Finally, they were also influenced by technological advancements in shipbuilding and navigation, which made long-distance sea travel more feasible and safer.