How did economics improvements (National Bank, American System, First Industrial Revolution) help strengthen American independence?

Can I get a source to answer this for my essay, please?

3 answers

https://www.google.com/search?source=hp&ei=Am7rW7aQKuvl_QbVjpO4BA&q=+%28National+Bank%2C+American+System%2C+First+Industrial+Revolution%29+help+strengthen+American+independence&btnK=Google+Search&oq=+%28National+Bank%2C+American+System%2C+First+Industrial+Revolution%29+help+strengthen+American+independence&gs_l=psy-ab.3...4941.4941..5685...1.0..0.120.223.0j2......0....1j2..gws-wiz.....6..35i39.rWQJTexaPPE

Thank you :)

You're welcome.