Answer:
May 10, 2019, marks the 150th anniversary of an iconic, historic event in American history—the completion of the transcontinental railroad. This 19th century engineering triumph would redefine the nation, connecting the east coast to the west coast by rail.
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Answer:
the 24-hour time period
Explanation:
A day can be determined in many ways, but the most correct and comprehensive way is to state that one day corresponds to the 24-hour period between sunrise and sunset. A day can also be defined as the period of time when sunlight is visible, that is, the period when one side of the earth is completely facing the sun.
Answer:
Americans experienced a dramatic rise in the availability of new time-saving appliances for the household during this period.
Explanation:
