Adefeat and a victory respectively were experienced by israel at: a)ai b)gilgal c)hazor d)bethel

A) Ai

Ai was a city in Canaan. In the Book of Joshua, chapters 7 and 8, the Israelites attempted to conquer Ai two times: the first time was a failure, but the second time, they succeeded. The failure seemed to arise from the sin of Achan, for which he is stoned to death.

After the Israelites conquered the city, they burned it to the ground (Ai means "heap of ruins"). The site is now associated with the archeological site of Et-Tell.

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i would say your answer is a)

sorry if im wrong