Complex sentence: Given the activities of the tobacco trade was already very broad and growing, "Kampung Medan" became increasingly crowded and then developed with a name that is known as the Medan-Deli.
Split into simpler sentences: Given the activities of the tobacco trade is already very broad and growing. Thus the "Kampung Medan" is becoming increasingly crowded and then developed with a name that is known as the Medan-Deli.