Story perspectives

Trump Launches Trade Investigations Amid Tariff Uncertainty

3/15/2026

Summary

Story summary

U.S. President Donald Trump has ordered Section 301 trade investigations targeting 60 countries, including China, the EU, and Mexico.
U.S. Trade Representative Jamieson Greer says the probes address unfair practices such as forced labor and excess production capacity.
The investigations follow a Supreme Court ruling invalidating previous tariffs and creating a revenue gap.
Officials aim to complete the probes before July when temporary tariffs expire, potentially triggering new tariffs.

History

Historical Context

The Trade Act of 1974 empowered the U.S. Trade Representative to investigate unfair trade practices, allowing for retaliatory measures against countries like China and Mexico. This framework has been pivotal in shaping U.S. trade policy, especially as President Trump sought to address trade imbalances following a Supreme Court ruling on tariffs, reflecting ongoing tensions in international trade relations.

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Story summary

U.S. President Donald Trump has ordered Section 301 trade investigations targeting 60 countries, including China, the EU, and Mexico.
U.S. Trade Representative Jamieson Greer says the probes address unfair practices such as forced labor and excess production capacity.
The investigations follow a Supreme Court ruling invalidating previous tariffs and creating a revenue gap.
Officials aim to complete the probes before July when temporary tariffs expire, potentially triggering new tariffs.

1 / 2