Why did Marxists come to believe that this distinction was paramount for understanding history and shaping the future?

Answer to the following question is as follows;

Explanation:

Capitalism, according to Marx, contained the germs of its own demise. He explained how the bourgeoisie's riches was dependent on the proletariat's labour. As a result, capitalism necessitates the existence of a working class. However, Marx foresaw that continuing to exploit this lower class would result in widespread discontent.

A rebellion against the capitalists would eventually be led by the proletariat. Capitalism and its followers would be overthrown in the ultimate battle.

alliances in ww1 were different from ww2 because the entente in ww1 made up of serbia,russia,france,britan,japan and italy later america  and all allied in a sort of balance of power and too keep germany,austria-hungary,and the ottomans down. russia allied the serbians in order to exert its influence in the balkans while france allied the russians because france was still in dismay and insulted after the defeat to the germans during the unification of germany and britian allied the belgians after the germans invasion of belgium.in ww2 the alliances were in a preemptive attempt to deter any further wars into happening while germany and italy allied since they were insulted and humiliated after the previous war while also sharing a similar ideology of facsim along with japan which all 3 had a want for world domination and agreed to assist one another in the endevours 

explanation:

the government paid religious orders to provide basic education to native american children on reservations. in the late 19th and early 20th centuries, the bureau of indian affairs (bia) founded additional boarding schools based on the assimilation model of the off-reservation carlisle indian industrial school.