UNB, Dhaka :Outgoing US Ambassador in Dhaka Dan W Mozena on Wednesday said political parties in Bangladesh need to use their political space peacefully to strengthen democracy.”Of course, the political parties need to use political space peacefully…we discussed the important role that opposition parties play in a democracy,” he told reporters after a farewell meeting BNP chairperson Khaleda Zia at her Gulshan residence.The US envoy said during his hour-long meeting that started at around 5:30 pm with Khaleda he shared his experiences about Bangladesh during his nearly 37 months’ stay here.Mozena said he firmly believes that the current US Bangladesh partnership is stronger, deeper and broader than ever before.