The correct option is A.
A dual federalism refers to the system of government whereby the political power is divided between the federal and the state government in clearly defined terms.The state government typically exercise those powers given to it without interference from the federal government. Under this arrangement, the federal and the state government usually have disagreements.<span />
Adam smith’s principles of economics were modified in 1803 by Jean-Baptiste Say, a French businessman, who wrote a treatise on political economy.
<h3 /><h3>What is economics?</h3>
The investigation of shortage and how it influences resource utilization, service and product productivity, income changes, and wellbeing through time is called Economics.
There are mainly three types of economic system which includes capitalism, socialism, and mixed economic system depending on various countries.
Jean-Baptiste Say, a French entrepreneur who published a book on politics and economics, modified Adam Smith's economic principles, which include the laws of self-interest, competitiveness, and both supply and demand, in 1803.
Learn more about Jean-Baptiste Say, here:
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High demand for it thus it produced high profit
