The core of this question revolves around understanding the author's perspective on the influence of Puritan tradition on political life in seventeenth-century New England. The correct answer hinges on the interpretation of the author's statement that Puritan tradition dominated political life, indicating a significant and primary influence. Option A is incorrect because it underestimates the impact of Puritan tradition. Option C is incorrect as it completely denies any influence, which contradicts the author's view. Option D is incorrect because it suggests a secondary influence, whereas the author indicates a dominant role. Therefore, the correct answer is B, as it accurately reflects the author's view that Puritan tradition was the primary influence on political life.