The Muslims who stayed in Spain after the Reconquista were called Mudéjars (Moors). Many of the Mudéjars were artisans who combined Arabic and Spanish artistic elements. In the 1800s, an architect named Antoni Gaudí was influenced by the Mudéjars. As a result, he designed churches that mixed Muslim and Christian styles. Based on this information, which of the following is this scenario MOST likely describing?

Assimilation
Syncretism
Stimulus diffusion
Acculturation
Hierarchical diffusion