Plz solve this will give brainiest! 1 question only In history

Consider the following invention from the american industrial era. cotton gin – a machine that removed seeds from short-staple cotton which option explains how this invention contributed to the role of the united states as an emerging world power? a. it was in high demand abroad, as many european nations had begun farming cotton. b. it led to the decline of slavery in the south, which enhanced america’s international reputation. c. it freed up many slaves to become factory workers in northern cities, which improved the economy. d. it increased production efficiency of a us cash crop that was in high demand in other nations.

Dress codes - if you came from a private school you know all about dress codes. even in our school there are times where you literally have to physically show up. so the question arises, should students be able to wear whatever they want? why or why not?

How did enacting the nuremberg laws eventually lead to the holocaust?