4 is the correct answer hope it helped you :)
What led to powerful states becoming a distinct feature of western European society are many, some of which are the following:
At some point in human history many European states conquer and colonize the majority of the world;
Not only that, industrialization began in Western Europe before it later transferred to other parts of the world.
Also, it is believed that most European countries were at some point big spenders when it comes to military technology and scientific advancements even till today.
Currently, the majority of western Europe has a stronger economy compared to the rest of the world.
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The correct answer is C - glossary. The glossary gives definitions of important terms within a text.
The main reason why the twenties are sometimes called an "age of prosperity", especially in the United States, is that "<span>A.Incomes throughout the United States grew and the middle class held most of the wealth," due mostly to speculation in the stock market. </span>
