A nation ripe for revolution的用法和样例：
- The hunger, cold and misery then pervading Russia had reached the point of exasperating the masses and making them ripe for revolution.
- After the defeat in World War I,Germany was ripe for revolution,with various gangs fighting for power on the streets.
- The time is ripe for a new foreign policy.
- The time was ripe for a challenge to the power of the government.