Good morning!
None of the countries cited was fully created after the First World War. What happened was the restoration of Poland (c) after this period. Before 1918 the country was submerged under German, Russian and Austro-Hungarian rule. In 1939 he would again be under foreign rule.
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Because they could know what the Europeans were planning which would give the Soviet Union an advantage
I think its A centralized absolute power in one ruler and B eliminated the senate
Farming provided people with more nutrients
DOT (department of transportation)