3. Develop and support internal capital improvements, primarily consisting of designing and constructing roads and canals.<ref>https://apprend.io/apush/period-4/the-american-system/</ref>}} | 3. Develop and support internal capital improvements, primarily consisting of designing and constructing roads and canals.<ref>https://apprend.io/apush/period-4/the-american-system/</ref>}} |