Complex sentence: On the other hand, all points in Algarve are relatively close to the coast and pigs used to be fed with fish, so clams were added to the fried pork to disguise the fishy taste of the meat.
Split into simpler sentences: On the other hand, all points in Algarve are relatively close to the coast and pigs used to be fed with fish. So clams were added to the fried pork to disguise the fishy taste of the meat.