President Trump’s tariffs could threaten supply chains in the renewable energy industry and disrupt oil and gas markets.

A growing number of countries, including American allies, are striking trade deals as the Trump administration erects a higher fence around its global commerce.

Trump knows the United States has more leverage over its neighbors than they do over his country. But exploiting that position of strength could cause a historic rupture.

EU leaders meeting in Brussels Monday warned there would be no winners in a trade war with the United States, insisting they would hit back if President Donald Trump imposes tariffs. French President Emmanuel Macron said the European Union must show its muscle if US President Donald Trump makes good on his threat to target the bloc with a volley of tariffs.