"advocate action" is a correct phrase in written English.
It means to encourage or call for a particular course of action or measure. For example, "We must advocate action to reduce air pollution in our cities."
Instead, I would advocate action within the limits of the law and current regulations.
But most of all Mr McCain can advocate action because he is a genuine war hero, imprisoned for more than five years by the Vietnamese.
I think that environmentalists would find a more solid foundation to advocate action if they made their case based on social values, rather than apocalyptic fear.
If expanding population is a problem, campaigners on the subject advocate action to slow and stop the rise, if not reverse it.
Viscount Monckton of Brenchley, a hereditary peer, and James Delingpole, a right-wing commentator, were in a group that attended a papal climate conference ahead of Pope Francis's eagerly awaited climate change "encyclical" – a letter to clergy in which he is expected to advocate action against global warming.
Bush accused those who advocate action to fight climate disruption of acting like religious zealots.
If there are seven words you can't say on the radio, why should these people be allowed to advocate actions that are so much more dangerous?
But the FBI did not pursue it, unsure whether it was Major Hasan and how seriously the writer was advocating action.
The shift in thinking at big companies is so marked that some executives who once led the fight against restrictions on the heat-trapping gases are now advocating action.
What was different was, to quote Fraser Nelson, editor of the Spectator, that "Mr Cameron lost due to the simple weakness of his case... [H]e had no answer... Normally those advocating action offer a plan – of sorts.
The university and the community have advocated action by the city and state.
