The most accurate statement regarding how the Crusades contributed to increasing trade in Europe is:
The Crusades exposed Europeans to goods that they had never seen or experienced before, and they wanted more of them.
During the Crusades, European knights and soldiers encountered a variety of goods, luxurious items, and new ideas from the East, including spices, silk, textiles, and precious stones. This exposure created a demand for these exotic products back in Europe, leading to increased trade routes and commercial activity. The desire for these goods motivated European powers and merchants to seek out trade opportunities, thus facilitating the growth of trade networks that connected Europe with the Middle East and Asia.