What was Zebulon Pike the first American man to do? (2 points) Group of answer choices

Travel through Colorado

Climb Mount Rushmore

Camp in the Rocky Mountains

Map out the Mississippi River

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walter cronkite's special interview from vietnam had which of these effects? oijohkn

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on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.