Which two things caused a demand for cotton? cotton gin
carding machine
cotton mill
sewing machine

Uh i'm pretty sure that the answer would be...A and B. Hope this helped you!

cotton gin  and cotton mill

Hope this help

c. bounced back and forth from worthless to worth a lot and back to worthless

the answer would be option c. the chief result of u.s. participation in world war i is that, the u.s. forces ended the stalemate and led to an allied victory. after the us joined wwi, the allies had the forces they need to triumph. hope this is the answer that you are looking for.

explanation:

mark brainliest and have a great day!