Your knowledge of history seems to be about as defective as Trump’s.
Reagan radio speech on free trade, November, 1988:
Over the past 200 years, not only has the argument against tariffs and trade barriers won nearly universal agreement among economists but it has also proven itself in the real world, where we have seen free-trading nations prosper while protectionist countries fall behind.
America’s most recent experiment with protectionism was a disaster for the working men and women of this country. When Congress passed the Smoot-Hawley tariff in 1930, we were told that it would protect America from foreign competition and save jobs in this country—the same line we hear today. The actual result was the Great Depression, the worst economic catastrophe in our history; one out of four Americans were thrown out of work. Two years later, when I cast my first ballot for President, I voted for Franklin Delano Roosevelt, who opposed protectionism and called for the repeal of that disastrous tariff.
Ever since that time, the American people have stayed true to our heritage by rejecting the siren song of protectionism.
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Part of the difficulty in accepting the good news about trade is in our words. We too often talk about trade while using the vocabulary of war. In war, for one side to win, the other must lose. But commerce is not warfare. Trade is an economic alliance that benefits both countries. There are no losers, only winners. And trade helps strengthen the free world.
Yet today protectionism is being used by some American politicians as a cheap form of nationalism, a fig leaf for those unwilling to maintain America’s military strength and who lack the resolve to stand up to real enemies—countries that would use violence against us or our allies. Our peaceful trading partners are not our enemies; they are our allies. We should beware of the demagogues who are ready to declare a trade war against our friends—weakening our economy, our national security, and the entire free world—all while cynically waving the American flag. The expansion of the international economy is not a foreign invasion; it is an American triumph, one we worked hard to achieve, and something central to our vision of a peaceful and prosperous world of freedom.
http://www.presidency.ucsb.edu/ws/?pid=35207
On signing the Canada-US free trade agreement, October, 1987:
The people of the United States and Canada have had a long and harmonious friendship that is the envy of the world. Now, in addition to sharing the world’s longest undefended border, we will share membership in the world’s largest free trade area. This agreement will provide enormous benefits for the United States. It will remove all Canadian tariffs, secure improved access to Canada’s market for our manufacturing, agriculture, high technology and financial sectors, and improve our security through additional access to Canadian energy supplies. We have also gained important investment opportunities in Canada and resolved many vexing trade issues.
http://www.presidency.ucsb.edu/ws/?pid=33502