Answer:
In the history of ideas or intellectual history, the main primary sources are books, essays, and letters written by intellectuals; these intellectuals may include historians, whose books and essays are therefore considered primary sources for the intellectual historian, though they are secondary sources in their own topical fields.
Explanation:
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The executive branch carries out laws
B. middlemen. simply speaking a direct sales marketing strategy from companies implies that instead of selling products by way of a third-party or intermediary the company sells their products directly to their customers