Although I'm not a fan of the presence of gnomes in this continent, which is absurd since they aren't sailors OSRS Accounts. I like the concept. Officially, trade between the new continent's and other parts of the world is conducted by the customs authorities, which tax a lot and make it difficult and so on.
Due to the resentment towards the customs authority, people are turning towards illegal smugglers and pirates to do trading for them. There are a myriad of quests that could help you explore the conflict between these powers. You may also decide to support either side or the other. The closest real life approximation I can think of would be colonial Boston.
The entire region of Runescape currently comprise a portion of medieval Europe or the region to the east. For example, Fremmeniks-Scandanavia, Karamja-Sub-Saharan Africa, Asgarnia/Misthalin/Kandarin-England, Morytania-Eastern Europe, Al Kharid-Arabia.
That really only leaves Mediterranean/Southern Europe, so it would be logical for the new continent to resemble Italy/Spain/Greece Cheap RS Gold. This could include the concept of iron age. For instance, you could have two cities that are similar to Carthage and Rome (Carthage uses elephants Please).