Trading with public enemy void at common law, sec 473.

Rule applicable to belligerent insurgents, sec 474.

License validates trade with enemy, sec 475.

Contract suspended during hostilities, sec 476.

Insurance of enemy's ship and goods illegal, sec 477.

Alien enemies cannot sue during war, sec 478. Contracts for breach of neutrality void, sec 479. Contracts to run foreign blockades not illegal, sec 480.