The best use of the excerpt in question by historians would be to understand A. The political debates over economic development.
The excerpt focuses on Henry Clay and his argument for the Tariff of 1833 which would replace the Tariff of 1832 which had been controversial because:
The excerpt therefore showed how politicians debated over economic subjects such as tariffs and protectionism.
We can therefore conclude that historians could use it to better understand the political nature of debates over economic development at the time.
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