What types of changes occurred in Russia after the revolution of 1917 and how did it change the country

After the revolution, Russia exited World War I by signing a peace treaty with Germany called the Treaty of Brest-Litovsk. The new government took control of all industry and moved the Russian economy from a rural one to an industrial one. It also seized farmland from landholders and distributed it among the peasants.

Explanation:

b)

it created free trade throughout the colonial territories.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.