Freedom to vote
Hope this helps u and good luckkkk :)
<span>While World War I on the Western Front developed into trench warfare, the battle lines on the Eastern Front were much more fluid and trenches never truly developed. This was because the greater length of the front ensured that the density of soldiers in the line was lower so the line was easier to break.</span>
I believe it would be the answer B. Granting copyrights and patents. Seems logical.