1. an early system of ? developed during the first industrial revolution.

2. the factory system before the civil war used fewer ? in producing goods.

3. hiring ? in the first industrial revolution meant production costs dropped.

- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

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he did it to save us from our sins, so we can see him in heaven 1 day. it's because he loves us so much. he used himself as the final sacrifice, so that we could be forgiven for our sins, so that we can see him in heaven, if we believe.

me on my last question.