If a person's headache goes away when he takes aspirin, the person is then more likely to take aspirin in the future. this is an example of , where removing an adverse condition increases the likelihood of repeating the behavior that preceded it.

The answer is "it is an example of avoidance learning".

Avoidance learning refers to the procedure by which an individual takes in a conduct or reaction to keep away from a distressing or disagreeable circumstance. The conduct is to maintain a strategic distance from, or to expel oneself from, the circumstance.Like in the given situation, after taking aspirin, headache of a person go away, now he knew that whenever he will suffer from headache he will take aspirin.

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.

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