Complex sentence: Goa was called the "Lisbon of the Far East" and trade reached a new level, the Portuguese did not leave Goa un-developed but progressed it to modern architecture and built strong roads and bridges which have stood the test of time even till today.
Split into simpler sentences: Goa was called the "Lisbon of the Far East" and trade reached a new level. The Portuguese did not leave Goa un-developed but progressed it to modern architecture and built strong roads and bridges which have stood the test of time even till today.