What can future civilizations learn from mistakes made during the Mesoamérica period and the civilizations that fell?

are these the benchmarks questions?

mark other guy brainliest

whose power in the senate is equal to the power of the speaker of the house?

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

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