According to David Mitrany, many of the Leftist intelligentsia in Romania had been clamouring for an opening of relationships between the Soviet Union and Romania at the beginning of the 1920s. Apparently, discussion about how to proceed with the initial offer had progressed some way (and some on the Soviet side were not unsympathetic, especially given the prewar ties several prominent Romanian early Marxists, like Solomon Katz, had with Soviet leaders); however, Raymond Poincaré became aware of the talks and cabled Henri Berthelot, demanding he present the Romanian parliamentarians with an ultimatum. It stated that, unless the politicians immediately ceased all action in this respect, France would fully end any and all support towards Romania.
What if the Romanians had ignored Poincaré's ultimatum (with whatever consequences)? After all, a cynical realist could posit that it's better to have an affably indifferent close (powerful) neighbour and a spurned faraway ex, than a faraway friend but a very close enemy.
Would they be able to secure border guarantees? What would/could the Soviets demand in return? (I mean, apart from satellisation, that would have most likely occured eventually anyway)