điều kiện nào sau đây đã tạo ra khả năng đấu tranh công khai hợp pháp cho phong trào Cách Mạng Đông Dương trong giai đoạn năm 1936-1939

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

congress was not thoroughly prohibiting states from funding religious schools.

- "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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the confederate at bull run