Why do russia czar failed to improve living conditions for serfs

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

Which of the follow modern activities would only have been possible after the neolithic revolution

Igor stravinksy’s ballet, the rite of spring, featured clashing music, harsh sounds and deliberately ugly dancing. upon its premier, theater goers literally rioted in the seats of the venue. historians argue this moment is a “breaking point” where europe proves it is destined to be plunged into world war i. why would historians make such a claim? a people were genuinely angry that someone so bad at composing could make a ballet b the ballet represents colonialism. it showed the consequences of centuries of exploitation of non-european people. c the ballet represents the changing ideologies of modernity. the youth of europe breaking all the old rules and the old guard clinging on to the last bits of power d the ballet represents war itself. it drudged up old rivalries between the french and german peoples, inciting the lust for combat.