3. Factors that inuence international trade World trade has grown substantially in the last 60 years. For example, while world output grew at an annual rate of 3.8% per year between 1950 and 2003, world exports grew at 10.8% per year over the same time period. Which of the following help to explain the increase in international trade and nance since 1950? Check all that apply. C] Better highspeed rail lines E] International trade agreements such as the General Agreement on Tariffs and Trade (GATT) C] Improvements in telecommunications C] Higher tariffs