Which outcome occurred due to Roman roads intersecting marshes?

💡 Explanation

Road collapse became frequent because saturation increased pore water pressure in poorly compacted roadbeds, exceeding the material's shear strength, leading to deformation via the mechanism of soil liquefaction; therefore, constant repairs became vital, rather than drainage adjustments alone.

• Which effect made Chinampa agriculture highly productive in the Valley of Mexico, circa 1400 ACE?
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