Global regnets soon and i dont know crusades?

Question

i cant find anything about them anywhere

can someone please explain them

just brief me on them

Answer 1

omg i'm taking the global regents in like 3 hours ^.^ the crusades lead to culteral diffusion, demand for new goods, increased trade, church power weakened

crusades means holy war

Answer 2

for the crusades, all u need to know is that europe and middle east were fighting for the holy land. And this is important, the result is that cultural diffusion increased or trade increased