Read the passage. Oliver Cromwell came from a wealthy background and, after attending Cambridge University, served his country in two ways, as a member of Parliament and as a spokesperson for religious freedom. As a member of Parliament, Cromwell spoke out, in 1640, against King Charles, voicing disagreement with the king's policies. A decisive leader, Cromwell became successful in military circles as well as political circles, in fact directing the army in military campaigns that led to the final defeat of King Charles. Cromwell served as the chief advocate at the king's trial and execution and then, for the next 10 years, served as chief executive, during which time he gained a reputation for being a ruthless yet effective leader. Which is the most effective way to vary the length of the sentences in the passage?