Respuesta :
Answer:
Convoys
Explanation:
The US entered WW1 using convoys to protect supply ships
Explanation:
in April 1917 after more than two and half years the United states has conovous to protect ships
Answer:
Convoys
Explanation:
The US entered WW1 using convoys to protect supply ships
Explanation:
in April 1917 after more than two and half years the United states has conovous to protect ships