When historians analyze revolutions, they often attribute the outcomes to class wars as well as economic factors.

Many activists warned that rising inequality could lead to a class war if policies didn't change.

The museum's exhibit featured a scale model of a November class submarine, highlighting the technological leap of the Soviet Union's early nuclear attack boats.

During the open campus, class tourists filled the lecture hall, taking notes and asking questions.

The class tourist visited a working-class neighborhood to learn about daily routines and local customs.

To identify the mineral, the geologist examined its crystal class under polarized light.

The airline changed my booking class at check-in, which affected my baggage allowance.

He moved up a weight class after gaining muscle during the offseason.

During the seminar, the professor explained how word class affects sentence structure.

Many freshmen dread the introductory weeder class because failing it can derail their major plans.