This visa is not necessary.
The procedure for visiting the US is the same for Indian Citizen as any other country's citizens. You need to apply for a B1/B2 tourist visa.
As a citizen of Ghana you need a visa for Romania.
yes because Romania is not Africa
No
An American citizen does not need a Visa to go to Romania unless they plan on staying there. They just need a passport.
Romania is not in the Shengen space. All you need if you want to visit is your passport and the syria-romania visa. A. [if this answer satisfied you, please recomend me as a trusted contribuitor]
no
Not necessary
Yes , go Forward
An identity card is sufficient for a Romanian citizen.
For a Greek citizen: identity card or passport.
Yes, all Malaysians need visit/tourist visa to visit Canada. One needs to show all the required documents for tourist visa.