In the 1620’s, the Dutch came into conflict with Sultan Agung, ruler of Central Java, as he wanted to extend his power over Banten.
Although the confrontation between the two was inconclusive, Dutch intervention in Javanese affairs increased in the later 17th & 18th centuries.
On the other hand, the Dutch expansion in Sumatera did not fully take place until the 19th century, as they had conflicts in support of rulers who favored the goods they trade.
In territorial responsibilities, the VOC at first did not establish an administrative system. For this reason, the VOC replaced the royal court and gathered income from the peasantry within the area.
In commercial control, the VOC established company factories, forced individual rulers to work with the company, controlled the sources particular products and, pushed through a system of forced deliveries.
Lastly, in the 18th century the VOC ran into financial difficulties for a variety of reasons, and later on, their affairs were restricted by the Dutch government in 1799.