WHY DID THE US SOVIET ALLIANCE BEGIN TO BREAK DOWN IN 1945?

which countries had a bond just for war? which ideology was hated most?

usa ussr and britain, ussr was communist

why did the alliance break? which were?

clash of ideologies, usa was roupd of their way of life and defeating nazism and ussr produc of both things but as them,

which were the meain differences between usa and ussr (usa first)?

capìtalist vs communits/ democracy vs dictatorship/ extremes in social classes vs general standard / being free of control by goverment vs good of sociery as a whole

how did ussr and usa see each other?

ussr saw usa as selfish and usa was afraid of communism

which was the change of usa from 30s to 40s?

30s were about isolation; not giving opinion or enter into conflicts, but in 40s officialy opposed to communims; no more isoplation