PPSC Assistant In Punjab Police Department 2020, General Knowledge MCQs, PPSC Solved Past Papers MCQsWhen no Tariffs are Imposed on all Imports and Exports it is called ?A. Preferential Trade B. Free Trade C. Balance of trade D. Non-Tariff Barriers The murder of Archduke Ferdinand, the heir to Austrian throne, became the immediate cause of which war ?_________ is the Capital of Fiji ?
