The two types are, qualitative and quantitative
The Founding Fathers believed that the Articles of Confederation were to weak and they needed to create a stronger document and that this stronger document would outline a stronger, central government.
Answer:
Choice B, "It would contain only one perspective."
Explanation:
Choice A is incorrect. A blog is <em>very</em> personal.
Choice C is incorrect. A blog is typically not academic and furthermore, an academic piece of information likely does give a real sense of its subject.
Choice D is incorrect because a blog is <em>not</em> objective in most instances.
The traditional economic system was based on the direct exchange of goods and services, for example: you give me a shirt that you have and I give you the shoes! So, from the options the best answer is: passing clothes down from older to younger brother.