A) France and Spain
France has always been one of their rivals since the Saxons and Spain's fleet was considerable.
Answer:
American cities decline / hollowed out into post-industrial wastelands. Industries fled overseas as other corporations sought lower wage costs.
Henry Ford paid his laborers well to amplify his benefit. He paid them more than laborers in comparable positions in serious organizations so he could limit turnover and keep the workers whenever they were prepared and experienced. By doing this he evaded costly preparing expenses and creation lulls which would have diminished his benefit.