Answer:
First World War destroyed empires, created numerous new nation-states, encouraged independence movements in Europe's colonies, forced the United States to become a world power and led directly to Soviet communism and the rise of Hitler
Explanation:
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Persia went to war with Athens because before 490 B.C there was a riot in Persia and Athens send troops over to Persia to help the rebellion when the rebellion was defeated so what is why Persia went to war with not just Athens but the hole of greece
Answer:
air pollution from more and more factories and the factories put chemicals into the water source
Explanation:
Children of the 1930s were at least protected under child labor reform measures of the 1920s, which limited their workday to eight hours and provided guidelines for employment of minors. Many children were self-employed, collecting junk to sell or doing odd jobs for neighbors.