프랑스가 광활한 북미 대륙 영토(루이지애나) 매각에 나선 이유도 도버 해협을 건널 해군력 건설비 마련에 있었다.
The reason why France decided to sell its vast North American continental territory (Louisiana) was because it was preparing for the construction of naval forces which could get across the Straits of Dover.