The other name for the European Recovery Program, and the one that is more commonly used is the Marshall Plan. This plan had as its objective to boost after-war economy in Europe.
It was offered to many European Countries, but some refused because they were under the influence of the Soviet Union.
Medieval society was full of social evils. Some of these were early marriage, slavery system, satee system and so on. In this period, people had very hard and struggled life. Girls were not allowed to exhibit even their face to any unknown persons.
Most of these customs are brought from Hindu and Buddhist traditions. People of diverse religion and belief are the dominant features of Nepali society. Hinduism, Buddhism, Islam and Christianity are the major religions that are practiced in Nepal. People have a sense of unity, though living in the diversity.
Hopefully this helps you out :)
The answer is no. They are not related.