In the 1920s, concerns about the varying quality of ECE around the country led Patty Smith Hill and other educators to establish the first professional organization for early childhood educators which is today known as

- "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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explanation:

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answer: the third option is your answer

explanation:

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.