Answer:
the question is not very clear
Explanation:
Was from Medellin, Spain.
Answer:
B. Interchangeable parts were identical parts that could be exchanged for one another in the manufacture of guns, clocks, and other goods.
Explanation:
Answer:
Experimenting with life-lengthening elixirs around A.D. 850, Chinese alchemists instead discovered gunpowder. Their explosive invention would become the basis for almost every weapon used in war from that point on, from fiery arrows to rifles, cannons and grenades.