<span>Battle of the Marne; the Belgian coast to the border of Switzerland.
Germany had invaded France with the objective of beating France quickly and then turning to attack Russia. However, the French and British attack caused Germany to retreat and began the digging in which would become the Western Front. Trench warfare created a stalemate in the war with years of the battle lines moving little between Germany and the French and British alliance. </span>
This is a 30-60-90 right triangle, which is indicated by the fact that the hypotenuse is twice the length of the shorter leg. The 30-degree angle is opposite the shorter leg. Therefore, the angle of elevation is 30 degrees.
Red River War, Battle of the Little Big Horn
Answer:
President Roosevelt owned the land where the canal would be built