They heard a shot come from an unknown area, and were afraid it was coming towards them.
The combined Union Pacific-Central Pacific line became known as the First Transcontinental Railroad and later the Overland Route. The line was constructed primarily by Irish labor who had learned their craft during the recent Civil War.
Answer:
The colonies developed into three distinct regions: New England, the Middle Colonies, and the Southern Colonies. Each region developed a different economy and society. Cold winters, short growing season, and a rugged landscape.
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