Honda and Toyota survived trade wars, import quotas and xenophobia in the 1960s through the 1980s to become an economic juggernaut that reshaped the American auto industry.
Sources
The Keiretsu Advantage by Jasper Boers from the Yale Economic History Journal
The New, Improved Keiretsu by Katsuki Aoki and Thomas Taro Lennerfors
Lessons from the US-Japan Trade War of the 1980s from NPR's All Things Considered
The Import Quota that Rebuild the Auto Industry by Wells King and Dan Vaughn Jr