With the election of Donald Trump, the United States, and indeed the world, has entered into a new era of trade policy and perspectives on the effects of trade.  Trump promised a more American-centric (protectionist) approach to trade, and so far he has provided it.  He has triggered a re-negotiation of NAFTA, pulled the US out of the Trans-Pacific Partnership agreement (TPP), has imposed tariffs on steel and aluminum imports into the US, and has imposed tariffs on a wide variety of Chinese made imports.  He believes this will benefit US workers in the manufacturing sector, many of whom believe they have been left behind by globalization.

Please write an essay explaining why protectionism is typically not good for the US economy.  Also include an explanation for why it is unlikely to benefit US manufacturing workers either, and what those workers should do to adapt to the evolving economy.

Your essay should be academic.  Make sure to do appropriate research, write and structure it effectively, and use economic theory and examples to support your argument.