One form of evil had replaced another, and there was nothing more anybody could do about it.
I think it always comes down to story and character, and one form won't replace the other.
In 1975, player salaries, like gold, were allowed to "float" as a form of free agency replaced the old reserve system.
Time displacement in sociology refers to the idea that new forms of activities may replace older ones.
The new form replaces an older one in use since 1985.
A later form of the flag replaced the blue stripe with black.
This title in full length was used until 1965, then the short form replaced it.
As other forms of entertainment (particularly television) replaced variety shows in general, concert parties largely died out during the 1950s.
In other contexts, the past subjunctive form always replaces it.
At the same time, another competitive form of urban dance called breaking all but replaced uprocking.