It enabled machines to do jobs previously done by hand.
The Battle of Pea Ridge (also known as the Battle of Elkhorn Tavern) was a battle of the American Civil War. It was fought from March 6–8, 1862, at Pea Ridge in northwest Arkansas, near Leetown.
The right answer for the question that is being asked and shown above is that: "A. temporary, but not permanent." A fixed supply can be temporary, but not permanent. Fixed supply<span> is defined as the supply doesn't change - it is constant.</span>
The Blitzkrieg. This was Utilized by Invading Belgium and Sending Tanks through the Argonne Forest. The encirclement of the Maginot was also an important Tactic/Decision which led to the Surrender of the Majority of the French Army and forced the British to retreat to Dunkirk and Evacuate over the Channel.
The Euphrates was located in Mesopotamia, it provided fertile soil for the surrounding communities.