crack(s) in basement wall

[ChicoLind]

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with a block foundation along the seems though however is a bit more concerning.

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along the seems?
are you talking about the joints between the blocks, or something else?

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along the joints (we call them seems). Are the cracks very small, less can a a couple mm, or bigger? Have you noticed any cracks on other sides of the foundations? What part of the country to do you live (do you have 4 seasons)?