Not just US influence but international influence.
In the 777 and 787 eras, Boeing decentralized production all over the world, and it's hard to say that Airbus is really a European company because they've done the same.
Back in the day so many countries had to have a fourth- or fifth-rate car industry, and to head that off, the Boeing-Airbus duopoly distributed production all over the place so politicians in most countries could point to some part in a Boeing or Airbus airliner that was made in their country to discourage the development of an indigenous industry.
In the 777 and 787 eras, Boeing decentralized production all over the world, and it's hard to say that Airbus is really a European company because they've done the same.
Back in the day so many countries had to have a fourth- or fifth-rate car industry, and to head that off, the Boeing-Airbus duopoly distributed production all over the place so politicians in most countries could point to some part in a Boeing or Airbus airliner that was made in their country to discourage the development of an indigenous industry.