Answer:
• The widespread use of the Internet to conduct business
• International trade agreements that lower tariffs and import quotas
• Better high-speed rail lines
Explanation:
International trade occurs between countries and involves exchanging and goods and services across borders.
These three factors selected above have contributed to the increase in international trade and finance, experienced since the 1950s.
The development of the internet has made it a lot easier and faster to conduct business across countries, than it used to be.
International trade agreements that lower tariffs and quota on import, make it easier to access the markets of certain countries and as such enhances import from, and export to those countries. An example is the North American Free Trade Agreement (NAFTA), which eases trade between the United States, Canada and Mexico.
Also, better high-speed rail lines makes transportation of goods into and out of the country, faster.
