Complex sentence: Once the demand for coffee grew past the amount being produced in the Arabic world, the Dutch began cultivating coffee in Indonesia, modern-day Java, and eventually moved to Sumatra and Celebes in the 17th century.
Split into simpler sentences: Once the demand for coffee grew past the amount being produced in the Arabic world. The Dutch began cultivating coffee in Indonesia, modern-day Java, and eventually moved to Sumatra and Celebes in the 17th century.