The absence of Russia on the president’s new list of countries that he’ll hit with steep tariffs did not go unnoticed on social media. Critics were quick to accuse Trump of kowtowing to Russian President Vladimir Putin, whom Trump has for years expressed his admiration of.

The Trump administration says sanctions imposed on Moscow mean the U.S. does little trade with Russia, but questions persist about the motivations.

A bizarre formula, some strange inclusions and exclusions, and some allies who sought to avoid the tariffs left in the lurch.