Economic Sanctions Tariffs China EU Relations Tariff Negotiations Canada and Mexico US-China Relations US-EU Relations Tariff Policies Bilateral Trade Agreements Impact on Allies China Relations Tariff Implications Reciprocal Tariffs European Union Bilateral Agreements Retaliatory Measures Sanctions Tariff Responses Tariffs on Countries Tariffs and Trade Wars Tariff Agreements Retaliation EU Responses Australia-US Relations EU Trade Policies Transatlantic Relations Negotiations US-Germany Relations Allies and Partners Canada Bilateral Relations North American Trade Europe Tariff Exemptions Tariff Conflicts Negotiation Tactics US-Canada Relations Asia Asia-Pacific Trade Retaliatory Tariffs China-US Relations Tariff Strategies Diplomatic Strategies