who created the idea of class warfare around economics and the idea that the workers should unite to control the economy and their governments. he established the idea of communism

The theory of Communism was developed by German theorists Karl Mark and Frederick Engles who, together, authored several highly influential works that have shaped the economic and political systems of a large percentage of the nations on Earth since they were published in the 1850 s . Class conflict, also referred to as class struggle and class warfare, is the political tension and economic antagonism ... The anarchist Mikhail Bakunin said that the class struggles of the working class, the ... up in the Senate against this idea on the grounds that it would empower the plebs at the expense of the patricians.

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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 

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the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.