He gained control because he had the power to take over smaller railroad companies. What is vertical integration? This is when you buy your suppliers out, in order to control your own raw materialss and businesses.
Answer:
much more crops are produced
The Sumerians which was an ancient civilization from Mesopotamia were believed to be the first people to make and use a wheel. This invention is vital to many conveniences we have today :)<span />
<span>Americans decided that to keep the economy strong the nation needed </span>new overseas market
