Complex sentence: More radical liberals attempted to revolt against the entire idea of a monarchy, constitutional or otherwise, in 1821; these republicans were suppressed, though the incident served to illustrate the frail coalition that bound the Progresista government together.
Split into simpler sentences: More radical liberals attempted to revolt against the entire idea of a monarchy, constitutional or otherwise. In 1821 these republicans were suppressed, though the incident served to illustrate the frail coalition that bound the Progresista government together.