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.
History is true. Or else why would we learn it?
To outline the reasons behind the writing of the US Constitution and the goals of the document.
Hope this helps :)
England is the answer to your problem
Answer:
I don't think a slave could become a citizen in Rome.
It depends on the year
