According to Karl Marx, what group would eventually "rise up" in a socialist revolution

Read the opening line from a draft of an informative essay. which is the best revision of the sentence? trade between great britain and japan expanded as opium deals between the nations increased in the early 1800s. britain greatly expanded trade with china, increasing its opium exports more than five times in the early 1800s. britain’s expanded trade in opium led to export increases that were five times greater in the early 1800s. britain greatly expanded trade with china, which increased its opium exports more than five times in the early 1800s.

What does the term “escalation” refer to?

The pullman strike resulted in eugene debs receiving a pardon for his involvement. the company losing very little money. the company rehiring workers that withdrew from the union. other companies handling strikes themselves instead of going to court.