Complex sentence: The tendency to syncretize by overlying older traditions with newer foreign ideas is also occurred, for example the older ancestral mythology might be incorporated with overlying foreign mythology, such as Hindu, Islam, or Christian biblical mythology.
Split into simpler sentences: The tendency to syncretize by overlying older traditions with newer foreign ideas has occurred. For example the older ancestral mythology might be merged with foreign mythology, such as Hindu, Islam, or Christian biblical mythology.