The soviet union developed of its own by 1949.

from the conditions of the working class in england by friedrich engels,the main idea is :

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

the government closely monitored its finances to avoid another financial collapse.