Please add the secondary source
Fried the crackpot he was decided we needed to catagrories for it
Answer:
The convoy system, a group of ships sailing together for protection, was designed to help protect cargo in passenger ships during the First and Second World War. The system was created out of desperation.
Explanation:
The convoy system was necessary because it helped them overcome U-boat threats, and prevented them from losing any allied ships (for days and weeks); it also helped equip Britain with important supplies.
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