ELI5 Wolves - why are there big cats but not big dogs in the wild?

Why are there big cats but not big dogs in the wild while there are lots of big cats? Why are wolves so hard to tame? How were prehistoric men able to domesticate wild wolves? How have wolves been portrayed in different cultures and mythologies throughout history? ... we explain like I'm five Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: minntyy, avec_serif, fiendishrabbit, logicalbasher, lithuim, agilepersonality2058, copperpoint, mrmikejj, good-mcrn-ing and fimbulwinter91 To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: [email protected]