American robert gray’s most important accomplishment was ?

The major achievement of Robert Gray, the American merchant sea captain born in 1755, was exploring the Northern Pacific cost of North America and then naming of the Columbia River, in 1792 as a result.

well i cant say as there are no answers for me to choose from.

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sorry!

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

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