<span>He established a small court in which he brought sailors, mapmakers, astronomers, and others who were interested in navigation. From this court, he sent expeditions west to islands in the Atlantic and south to explore the western coast of Africa.</span>
The central issue was reconstructing the nation after the Civil War.
Power and wealth fueled warfare in Feudal Japan, <span>Feudal estates sent knights to the Holy Land in the Crusades for religious reasons.</span>
Balance between different interests.
Capitalist who made his fortune in oil and founded the nation's first trust in the form of the <em>Standard Oil Company</em>. business started by John D. Rockefeller that was the United States' first trust.
I hope this is correct and helps!