Answer:
It is used to create railroads.
Explanation:
Before the invention of railroads, the only method of travelling from one state to another is by using Caravans. This was very hard to do because it could took months for traders to reach other states by using horses.
The invention of railroads allowed people to reach states at a much faster time. It connected different areas in United States and made it easier for people to distribute their product to another states.
Answer
Coal spontaneously combusted
Explanation
There are many theories for the cause of the United States the USS Maine explosion with Us men aboard where many died. According to the United States Naval Investigative team team their research concerning this incident , they came to a conclusion that the explosion was caused by fire that had ignited the ammunition stock. According to these investigators there was a strong evidence that the explosion of Maine was caused by an internal coal fire which ignited the magazines. This was a likely cause of the explosion, rather than the initial hypothesis of a mine
It makes me wonder about which groups in the world have influence and which ones do not, in Russia anywhere from 12-20 million Orthodox Christians were killed by the Soviet regime. The world is largely unaware of this, yet everyone knows about the holocaust. Why is this? Is it because Jews have a disproportionate representation, even though they are only 1.4% of the nations population? The truth is shocking.. Yes they do. http://i.stack.imgur.com/PPhcg.jpg
