Crossword Puzzle Revolution, for one

Clue: Revolution, for one

It was formed after the Bolshevik Revolution (REDARMY with 7 letters)
Onetime member of Forbes Fictional 15 richest people (GOLDFINGER with 10 letters)
Onetime presidential candidate on the Forbes 400 list (HROSSPEROT with 10 letters)
Fortify (oneself) (GIRD with 4 letters)
Force (oneself) on others (IMPOSE with 6 letters)
Force oneself upon (INTRUDE with 7 letters)
Forswears (oneself) (PERJURES with 8 letters)
Revolutionary War force (e.g. CONTINENTALARMY with 15 letters)
Secret revolutionary force (UNDERGROUND with 11 letters)
Onetime foreign policy (DOLLARDIPLOMACY with 15 letters)