What principles determined the nature of Soviet foreign policy in the 1920s?

The nature of foreign policy in the 20th century was determined by the following basic principles:

1) The first principle was based on building relations with the countries of the capitalist world, that is, on eliminating the country’s economic isolation;

2) Another principle was the opposite of the first, since it was based on undermining capitalism and igniting the world revolution in the Western countries.