Why do supporters of globalization believe in normalizing free trade between nations?

The supporters believe that there will be solution for unemployment and poverty.

Explanation:

Free trade is a contract between two or more nations to decrease hurdles to import and export among them. The participants of globalization believe in normalizing free trade among nations. Free trade aims to reduce hindrances such as tariffs, value added taxes, subsidies and other barrier between nations. Free trade promotes global economic growth, create jobs, increase competition between companies etc. There will be more influx of information between countries. NAFTA or the North American Free Trade agreement is an example of free trade. It is between United States, Mexico and Canada.