Iraq war, passing Dodd frank, passing obama care for starters.
So you think wars should last forever?
I would have said Guantanamo.... but removing a military prison that is ruled unconstitutional by the Supreme Court isn't exactly "taking an axe" to any Republican policies.
But on the other two things you said, what Republican policies did Obama take an axe to? Passing legislation is not taking an axe to anything... Your analogy is poor.