They held desired resources which included land and labor. Hope this helps.
The end of the Peloponnesian War was when the 421 Truce treaty signed
In the 15th century, Europe sought to expand trade routes to find new sources of wealth and bring Christianity to the East and any newly found lands. This European Age of Discovery saw the rise of colonial empires on a global scale, building a commercial network that connected Europe, Asia, Africa, and the New World.
When you state or set something forth in words, you have expressed yourself.