The US is threatening global tariffs: What are they and how do they work?
The United States in recent years has gradually retreated from its post-World War II role of promoting global free trade and lower tariffs. That shift has been a response to the loss of US manufacturing jobs, widely attributed to unfettered tree trade and an increasingly powerful China.
https://anessoft.com/blog/ar/macron-evoque-une-possible-reprise-du-dialogue-avec-vladimir-poutine
The United States in recent years has gradually retreated from its post-World War II role of promoting global free trade and lower tariffs. That shift has been a response to the loss of US manufacturing jobs, widely attributed to unfettered tree trade and an increasingly powerful China.