Why did peoples conquered by Cyrus the great?

Cyrus the Great conquered various peoples to establish the Achaemenid Empire, which aimed to unify diverse cultures under a single political entity. His military prowess and strategic diplomacy allowed him to expand his territory while often employing a policy of tolerance towards the customs and religions of the conquered peoples. This approach fostered loyalty and stability within the empire, enabling it to thrive and integrate various cultures. Additionally, Cyrus sought to enhance trade and economic prosperity through these conquests.