Name the above painting and its artist. what was the purpose of equestrian portraits in history?

This portrait is by Diego Velazquez called Philip IV on Horseback. Equestrian portraits became common because it was believed that leaders looked especially powerful atop a large, powerful beast (horse). In addition, equestrian portraits were another way to show a leader's control, prominence, provide focus toward the leader being painted, and helped minimize any unattractive features that might be seen in frontals and profiles.

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