Despite building great temples and pyramids, the mesoamerican empires had not invented
the calendar
the wheel
the stonecutter
the suspension bridge

- "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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lincoln presided over the union victory in the american civil war, which dominated his presidency. a former whig, lincoln ran on a political platform opposed to the expansion of slavery in the territories. his election served as the immediate impetus for the outbreak of the american civil war.

first second and third

explanation:

what exactly is the question to this?