What was a group of german u-boats that operate together to attack allied shipping in the atlantic called?

The correct answer is Wolf Packs

In hunting for Allied ships, the German submarines called  U-Boats traveled in groups referred to as wolf packs and attacked at night. The term wolf pack was used to depict the mass-attack tactics that wer used against enemy convoys.

2686-2181 bce-- "egyptian civilization developed along the nile river in large part because the river’s annual flooding ensured reliable, rich soil for growing crops."

1069-664 bce-- "ancient egyptians developed wide-reaching trade networks along the nile, in the red sea, and in the near east."

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