3. Factors that influence international trade In the 19505, imports and exports of goods and services constituted roughly 4% to 5% of U.S. GDP. In recent years, exports have accounted for approximately 12% of GDP, while imports have more than tripled to over 15% of GDP. Which of the following help to explain the increase in international trade and finance since the 19505? Check all that apply. C] International trade agreements such as the North American Free Trade Agreement (NAFI'A) C] The widespread use of the Internet to conduct business C] An increasing number of import quotas C] An increasing number of affordable international flights