Complex sentence: The present day Canadian Spaniard population did not appear in Ontario and Quebec until the mid to early 21th century and have not really had a profound impact in developing or promoting their language and culture like the Spanish Speaking Latin American community.
Split into simpler sentences: The present day Spanish populations like the Spanish speaking Latin American populatins did not appear in Ontario and Quebec until the mid to early 21th century. The Canadian Spaniards have not really played a profound impact in developing or promoting their language and culture like the Spanish speaking Latin American community.