It is false that primary sources are the only sources that historians use, since it is important to consult the works of other writers and historians to get an idea of how events in history have played out. Historians usually use a combination of secondary and primary sources.
Answer:
Explanation:
Effectual Demand, can be explained as the demand followed up with at least just the right willingness to pay to bring the products or services demanded into the market.
Simply wanting a product is not enough to create an effectual demand for it because Effectual demand is shows the extent to which the income of the buyers, his perceptions and needs can be combined to result in an actual purchase and not just the mere desire to purchase.
I think that i got the answer for number (30) and i think that the answer is (c) because it's George Washington and James Madison.
hope it help
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50 is your correct answer
