At first, American shipping was almost defenseless against Frenchprivateers, but by 1800 armed merchantmen and U.S. warships were clearing the sea-lanes.
一开始，美国船只几乎对法国私人船只并无防范，但是1800艘武装商船以及美国战船澄清航路。
2
At first, American shipping was almost defenseless against Frenchprivateers, but by 1800 armed merchantmen and U. s. warships were clearing the sea-lanes.
一开始，美国船只几乎对法国私人船只并无防范，但是1800艘武装商船以及美国战船澄清航路。
3
Resource competition among rising powers and the need to protect sealanes will keep naval strategists in work for years.