What two weapons were used during the hundred years war and changed warfare in europe?

The two weapons that were used during the Hundred Years war and changed warfare in Europe were cannons and firearms. These two completely changed the war strategies. The composition of the armies has changed. The paid mercenaries started to exist. They were being paid by the money earned from taxing weapons.

i believe the answer is c

john smith was the first englishman to sail around the world. francis bacon served as attorney general and lord chancellor of england. he took up aristotelian ideas, arguing for an empirical, inductive approach, known as the scientific method, which is the foundation of modern scientific inquiry.