Which two art movements can be seen as precursors to postmodernism?

Journey stations were established throughout the mongol empire every miles.

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?

Drugs have a high potential for abuse. there is no routine therapeutic use for these drugs and they are not available for regular use. they may be obtained for “investigational use only” by applying to the u.s. drug enforcement agency. examples include heroin and lsd. which scheduled drug is this?