Most hills are "B. Not steep", since for it to be a hill it needs to be somewhere in between the elevation of flat land and mountainous land, which of course is much higher and usually steeper.
Wires and wooden logs.
Both of these materials were essential for building a strong fortified line during the First World War. Having both of these meant that much more people on one side would survive as it was extremely hard to cross either of the two materials.
<span>Railroads created time zones, the growth of cities and the first truly national market.</span>