WORLD HISTORY

Detailed explanation-1: -Complete answer: The French Revolution helped to state the idea of nationalism as it encouraged the idea that people owned the country, and they were an important part of the state. Thus, the revolutionaries overthrew the monarch and brought substantial changes in society.

Detailed explanation-2: -The first clear expression of nationalism came with the French Revolution in 1789.

Detailed explanation-3: -The first clear expression of nationalism came with the French Revolution in 1789. France was a full-fledged territorial state in 1789 under the rule of an absolute monarch Louis XVI.