Answer:
Explanation:This might help
Definition: Labor unions or trade unions are organizations formed by workers from related fields that work for the common interest of its members. They help workers in issues like fairness of pay, good working environment, hours of work and benefits.
The answer is D. Put a tax on every piece of printed paper in the colonies
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.
