<span>D) The French were welcoming because they were grateful for being liberate</span>
I believe the answer is: B. the importance of the sea
The picture of dolphins left by minoan culture indicate that their people used to travel by sea so much and spotted various type of marine animals as they go. Historians believe that people in minoan civilizations were an important traders for fish commodities and popular among European and Asian nations.
It is true. It didn't replace muzzle loading rifles, but rifled guns were used in the Civil War, especially the Cavalry of the Union Army.
It was likely due to distance away from one another