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.
The correct answer is D. ;
English settlements in North America before 1600 were largely unsuccessful, mainly exemplified by the failure of the Roanoke Colony in 1585. These attempts are classified as failures, with no sustainable settlements established until after 1600. Therefore, the correct answer is D. Failures.
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