Please help, test is timed. thanks in advance:))

One of the great societal changes brought about by industrialization in europe was a. slavery. b. urbanization. c. ruralization. d. democracy.

Ialready know the answer to this question but i wanted to ask you guys to see if you know. who started the okinawan karate style ryukyu kempo? when year was it found?

Open opinion / / / if a juvenile committed murder, should the juvenile be in prison for life or be free and seek instead? which and why?