Commonly referred to as the "Pennsy," the PRR was headquartered in Philadelphia<span>, Pennsylvania. The PRR was the largest railroad by traffic and revenue in the U.S. for the first half of the twentieth century.</span>
<span>The trench warfare made the war longer, because at times soldiers could be 100 metres underground making it harder for enemies to kill them. </span>
They wanted to find more natural resources, and they also wanted to seek out new markets for European goods.
To have a better life and have a higher chance to get a job.
