Hernan Cortes supported intermarriage as a way of assimilation of Natives into the Spanish way of life and Catholicism (himself taking part). Are there other examples of this viewpoint being preached (other than the huge mestizo population in Central and South America)? Or opposition?
You might be ineteresested in my response on a thread from a few months ago. It might not answer all your questions, so it's certainly up for further discussion.