“Los problemas económicos entre 1980 y 1991 fueron el motivo más importante del fin de la Guerra Fría." ¿En qué medida está de acuerdo con esta afirmación?

- "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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first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.

the answer to your question is

the treaty of hopewell

i think it's b