Large and powerful states that provided security for merchants and travelers
Answer:
Because they want to be carful about what they spend money on. If it's worth it or if it's important enough.
Explanation:
I put this in and I got it right
trust :]
The allies won the battle of the Atlantic and opens up a new eastern front in France.
Because they owned every step of the process to make steel like for example they owned the mines to mine the iron. Then they would own a 2nd mine to mine the coal for the steel. Then they would own the factories to make the steal. That is a vertical monopoly so for shorting your answer you can say they owned the mines and the factories to make the steel.