No lobbying involved. It’s the remnants of a tariff war with France and Germany: https://en.wikipedia.org/wiki/Chicken_tax
That's from the 'further reading' link on Wikipedia.
Running for reelection and aware of the influence the U.A.W. had in Congress and in the minds of voters, President Johnson looked for a way to persuade Reuther’s union not to strike and to support his “Great Society” civil rights agenda. Johnson succeeded on both counts by agreeing to include light trucks in the Chicken Tax.
While U.S. tariffs on other Chicken Tax items have since been rescinded, lobbying efforts by the U.A.W. have kept the tariff on light trucks and utility vans alive. As a result, American-made trucks still dominate sales in the U.S., and some very desirable trucks, like the high-end Australian-made Volkswagen Amorak, are not sold in the United States.
If there was a war American industry would shut down overnight.
The EU has banned poultry meat from the US on psytosanitary grounds for more than two decades.
For some context: it is about washing chicken meat with chlorine dioxide to kill bacteria, especially salmonella, at the slaughterhouse. It may seem ridicoulous that europeans prefer salmonella to chlorine on their chickens, but european food health and safety argues that the practice is needed in the USA due to the very unsanitary, and therefor cheaper, chicken meat production, whereas europa requires high standards during production instead of washing the end product in chlorine, and is therefore more costly. Some argue this cost difference is the major driver of the ban, and it is not an actual health and safety issue.
Its incredible to me that there's an entire political identity that borderline denies any of this happens, and instead the government itself is somehow naturally corrupt but business and the lobbying and capital owning class are all angels and saints. Everyday conservatism buys into this fallacy fairly well and this dishonesty seems to be the core of libertarianism.
Explaining this concept to some people feels like how I would imagine explaining water to fish must be. We're just so surrounded by it and it defines so much of our culture, that you can fail to see if you choose. You can just call everything government corruption from cradle to grave without asking about the source and motivation of that corruption. You can swim your whole life and never wonder why you're wet.