If bread price rises and wages remain fixed what will happen to poor people of the Third Estate?

Their purchasing power will fall and discontent will rise

Purchasing power means how much a person can buy with a given income. If the price of bread rises while wages remain fixed, the same wage buys fewer loaves and leaves less money for other needs. Poor workers are affected strongly because food takes a large share of their income. Their real standard of living falls even though their money wage has not changed.

Thus, option A is correct: purchasing power decreases and discontent rises. The other choices reverse the economic effect or introduce unrelated changes. Higher food prices and stagnant wages can create hardship, protests, and anger toward the system believed to be responsible. This price–wage relationship helps explain why rising bread prices contributed to unrest among the Third Estate before the French Revolution.

This is a Class 9 History question. Chapter: The French Revolution. Topic: French Society During the Late Eighteenth Century.