The union had more casualties.
Yes, this is true!
You should genereally use sources for anything you say if it's not your original idea - this way you can avoid being accused of plagiarism.
One exception is common knowledge - so you don't have to provide sources for example for what a capital of a certain country is.
Answer:
Distinct and opposed classes in the capitalist economy
Explanation:
The bourgeoisie represents the owners of the land and the factories, while the proletariat is formed by the workers employed by the bourgeoisie.
According to Karl Marx both classes have different interests, while the bourgeoisie wants to have higher profits with as lower salaries as possible, the proletariat has to struggle for their rights to revert this.
It is important to mention that Marx lived during the 19th century, a time when worker´s rights were very far from what they are today.