The US value chain is sliced up globally, which limits possibilities for protectionist policies without hurting domestic US firms. US firms are especially involved in three Mexican industries, with the motor vehicle industry being the most prominent one.
At the moment PM May called for snap elections, the Tories’ had a large lead in the polls. However, the gap with Labour has narrowed over the last few weeks. If the Tories lose their majority, this could have implications for the Brexit outcome.