I give brainlist ! , global

the finding of gunpowder was revolutionary for as the article says, they were able to create new weapons and that led to modern tech such as fireworks and military weapons such as explosives and muskets.

Explanation:

bibliography and citations to credit the sources hope this you if not my deepest of apologize ^w^

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.