What was the significance of the outcome of the English Civil War?

There were three significant outcomes of the English Civil war.

1. The trial and execution of Charles | (1649)

2. The exile of his son, Charles || (1651)

3. The replacement of the English Monarchy

Explanation:

At first the English Monarchy was replaced with, The Commonwealth of England that was from 1649 to 1653

Then The commonwealth of England was replaced with The Protectorate under the personal rule of Oliver Cromwell. And his son Richard. From 1653 to 1658.