Answer:
Country B's economy is more diversified than country B's economies
Explanation:
I just sumbitted that for flvs and got it right
The name of the clause is the "Necessary and Proper" clause. This clause, also known as the elastic clause, allows the United States federal government to obtain powers not specifically written in the constitution. This idea of obtaining powers not specifically written in the constitution is known as an implied power. This concept has been used several times throughout American history, including Thomas Jefferson's purchase of the Louisiana territory from France.
The 1920s in the United States, in the years leading up to the great crash of 1929, were a period of rapid economic development, brought about in many ways by mass production during and after World War I. A rebirth of advertising allowed more of these goods to be purchased, which greatly increased US GDP.