What did unrest in the russian military and civilian population first lead to and 1917

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;

    which of the following was anecological  result of european exploration from 1400 to 1800?   a.  increased trade with east asia      b.  the spread of epidemic diseases      c.  expansion of english territory      d.  the spread of christianity

Would creole revolutionaries tend to be democratic or authoritarian leaders?