Complex sentence: Typically the sanctions take the form of import tariffs (duties), licensing schemes or other administrative hurdles and the sanctions arise in the context of an unresolved trade dispute such as a disagreement about the fairness of some policy affecting international trade (imports or exports).
Split into simpler sentences: Typically the sanctions take the form of import tariffs (duties), licensing schemes or other administrative hurdles. They tend to arise in the context of an unresolved trade or policy dispute, such as a disagreement about the fairness of some policy affecting international trade (imports or exports).