Agreed. Also, the US was one of a handful of countries not bombed during WWII and had to be very profitable from 1945 to 1960s. We were shipping cars and fact

Agreed. Also, the US was one of a handful of countries not bombed during WWII and had to be very profitable from 1945 to 1960s. We were shipping cars and factory parts everywhere. By the 1970s, that advantage was disappearing.