Answer:
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Explanation:
D - Failures.
The only attempted british colony in North America before 1600 was Roanoke, Virginia, which was a total failure. England claimed several areas, including Newfoundland, but made no sustainable attempts to colonize them before 1600.
World war 1,
Italy became officially unified
The Astronomical Unit is the distance from Earth to the Sun.
Hope I helped! ( Smiles )