Final answer:
The landmark built by Napoleon Bonaparte as a memorial to fallen soldiers is the Arc de Triomphe. The prehistoric astronomical monument located in Britain is Stonehenge. The Paris landmark is the Eiffel Tower, and Stonehenge also serves as an astronomical landmark.
Step-by-step explanation:
To match each description to the appropriate landmark, let's review the information provided:
Napoleon's Memorial: While many structures and landmarks are associated with Napoleon, one specifically built as a memorial to fallen soldiers by Napoleon is the Arc de Triomphe in Paris.
Prehistoric Monument: The prehistoric monument located in Britain that may have been used to chart the movement of celestial bodies is Stonehenge.
Paris Landmark: An iconic landmark located in Paris, France, mentioned in the provided information is the Eiffel Tower.
Astronomical Landmark: Again, Stonehenge is known for its alignment with the sun during solstices and the moon during certain days of the year, marking it as an ancestral astronomical observatory.
To summarize:
Napoleon's Memorial: Arc de Triomphe
Prehistoric Monument: Stonehenge
Paris Landmark: Eiffel Tower
Astronomical Landmark: Stoneheng