Complex sentence: The indigenous cultures each developed sophisticated artistic disciplines, highly influenced by religious and spiritual concerns, and their work is collectively known as Pre-columbian art. The blending of Native American, African and European cultures has resulted in a unique mestizo tradition.
Split into simpler sentences: The indigenous cultures each developed sophisticated artistic disciplines, which were highly influenced by religious and spiritual concerns. Their work is collectively known and referred to as Pre-columbian art. The blending of Native American, African and European cultures has resulted in a unique mestizo tradition.