Because of a power struggle in great britain, a civil war erupted between the royalists who supported charles, and the roundheads who supported parliament.
True
The Royalists supported Charles and the Roundheads supported the parliament.
It is true that because of a power struggle in Great Britain, a civil war erupted between the Royalists who supported Charles, and the Roundheads who supported parliament.
The Royalists were pro-kingdom: they wanted the king to continue ruling the country, whereas the Roundheads wanted the Parliament to take charge.