What are the advantages of walking completely upright

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?

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By the 1820s, many americans wanted to have an equal number of senators from the free states and the slave states. to achieve that, what would need to be true? sorry, the correct answer is: explanation review you answered: questions answered 11 time elapsed 00 17 08 hr min sec challenge stage 2 of 3 get 5 of 6 correct