Answer:
It would be B
Explanation:i had the same one in 7 grade
One of the main ways in which Europe’s commercial revolution affected social structure is that it increased the incomes of many lower-class citizens, which created somewhat of a "middle class," which had previously not existed.
The correct answer is: "allowing goods to be shipped further".
The spread of the internal combustion engine allowed to developed faster means of transport with great capacity, which enabled to transport large amounts of goods at a low cost. Companies were able to cheaply transport their products to further places, therefore the markets where they could operate widened significantly. A progressive market integration process took place as technologies allowed the development of more efficient production and transportation systems.
It’s B I’m pretty sure hope it’s right