Fifth graders correct three tricky errors here: the Transcontinental Railroad joined at Promontory Summit in Utah (not California), the telegraph sent messages in seconds (not weeks), and Chinese and Irish immigrant workers were essential to building the line. Fill-in items cover the Union Pacific from Omaha, the golden spike ceremony, the six-month coast-to-coast trip before rails, and Samuel Morse's invention.
Short answers ask students to weigh how the railroad and telegraph reshaped American distance — turning a months-long journey into about a week and connecting East to West almost instantly. Students leave with a clear picture of how technology stitched a continent together.
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