2. Factors that influence international trade Aa Aa E As late as 1960, imports and exports of goods and services each constituted roughly 20% of Canadian GDP. By 2000, exports and imports had reached nearly 50% of GDP, and while their shares have declined since that peak, international trade is still a far larger component of GDP than it was 50 years ago. Which of the following help to explain the increase in international trade and finance since 1960? Check all that apply. International trade agreements that lower tariffs and import quotas Better high-speed rail lines Services such as web conferencing and teleconferencing that facilitate international meetings