Usage patterns
民主主義を守るto protect/defend democracy
The citizens raised their voices to protect democracy.
民主主義を推進するto promote democracy
The organization promotes democracy in countries around the world.
〈場所〉に民主主義が根付くfor democracy to take root (in a place)
Democracy has not yet taken root in that country.
民主主義が崩壊するfor democracy to collapse
Democracy collapsed due to the civil war.