They were helping people learn a new language because it would help them and give them better opertunties to get work and understand people around them. This was very important for them because without learning a new language they could not speak to the people. I think it's very good they learned a new language
I think that maybe people are saying different answers because there might have been many such laws. I will mention one example: the Diversity Visa Immigration: it means that people from Eastern Europe have a higher change of obtaining a visa due to a smaller population in the US than the western European Countries.
The navigational compass because it’s obvious