Question of the day

Which chatters, acts, or/and conventions has Switzerland signed?

More than one answer may be correct.

• The Universal Declaration of Human Rights and the European Convention on the Legal Status of Migrant Workers
• The Universal Declaration of Human Rights and the European Convention on Human Rights
• European Convention on Nationality and the The Universal Declaration of Human Rights
• European Convention on Human Rights and the European Convention on the Participation of Foreigners in Public Life at Local Level