no
An American citizen does not need a Visa to go to Romania unless they plan on staying there. They just need a passport.
yes because Romania is not Africa
Depending on your country; see the link below.
It depends on what nationality you are. Switzerland is part of the Schengen Agreement. The list of which countries do and do not need a visa is the same for all Schengen countries. Citizens of all EU and Schengen countries can enter Switzerland without a visa; plus citizens of some other countries.
Romania family member can go Belgium and other EEC countries if they have Romanian residence visa
Yes you can go to Bulgaria with romanian visa only for a transit and for a maximum stay each entry 5 days on your way to Romania.
Yes, because Romania and Spain are members of the European Union.
Yes, it is possible.
Yes, Botswana is visa-free to Canada. Canada is also Visa-Free in Botswana.
If you need a visa to go to Senegal, you need to apply for it.
Romania and Bulgaria are both part of the EU, which means no visa is required. Free travel is all throughout the EU, meaning no visa is require to travel through any part of the EU if you are a citizen of the EU.
no you don't need a visa to go to Algeria