Answer:
<h2>The chocolate drink became popular in Europe because sugar made it taste better.</h2>
Step-by-step explanation:
According to the problem, we have the following premises:
- Natural chocolate taste bitter.
- The Spanish began adding sugar to chocolate water.
- Chocolate houses appeared throughout Europe.
From this premises, we can deduct that once The Spanish added sugar to the chocolate, it became popular and Chocolate houses appeared to sell this product. But, only after adding sugar, because before it, people don't like it, because natural chocolate doesn't taste good.
Therefore, the right conclusion among the options would be:
<em>The chocolate drink became popular in Europe because sugar made it taste better.</em>
