The demand that there be no taxation without representation is a good example of what political reform of the eighteenth century?

The correct answer to this open question is the following.

Although there are no options attached, we can say the following.

The demand that there be no taxation without representation is a good example of what political reform of the eighteenth century?

the reform of more popular influence on government.

This claim of "no taxation without representation" was the constant demand of American colonists of that time. Americans were tired of the oppression from the English crown and the heavy taxation that the British government imposed on the colonies such as the Navigation Acts, the Tea Party Act, or the Stamp Act, among many others. Indeed, this issue was a major cause for the beginning of the American Revolutionary War of Independence against Great Britain.