Russia signed a peace treaty with germany to end it's involvement in world war 1, leading to:

Explanation:

The treaty lead to giving up territories, including Finland, the Baltic provinces, parts of Poland and Ukraine, to the Central Powers. The treaty was terminated in 1918 when Germany surrendered.

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1

b gas tractor

2

c and negotiated lower prices for farm equipment and supplies

3

d the grange

4

c over 15,000 bankrupt businesses

5

c people became more self-sufficient