When was Henry Clay's American System made or established?

Question

I need the exact date

Answer 1

Clay accomplished most of the American System plan when he was Speaker of the 14th Congress (1815-1817).
http://en.wikipedia.org/wiki/14th_United_States_Congress

The Second Bank of the United States was established April 10, 1816.

The Erie Canal, a key component of internal improvements under the American System, was built between 1817 and 1825.

The Cumberland Road (today US Highway 40) was built between 1811 and 1824.

Answer 2

Henry Clay's American System

Answer 3

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RE:
When was Henry Clay's American System made or established?
I need the exact date

Answer 4

The keystone to what Henry Clay called the American System was A. a low tariff B. encouraging British competition. C. abolishing slavery. (D. a high tariff.)