A US citizen does not require a visa to visit Dubai, only a current and valid US passport. Proper visitor documentation will be granted, free of charge, upon arrival of US citizens.
Yes, US citizens need a visa to travel to Uzbekistan.
Yes, US citizens need a visa to travel to Kazakhstan.
Yes, US citizens need a visa to travel to Russia.
Yes, US citizens need a visa to travel to Uzbekistan.
Yes, US citizens need a visa to visit Argentina.
Yes, US citizens need a visa to visit Kazakhstan.
Yes, US citizens need a visa to travel to Saudi Arabia.
Yes US citizens need a visa.
Yes, US citizens need a visa to travel to Saudi Arabia.
Yes, US citizens need a visa to visit Saudi Arabia.
Yes, US citizens need a visa to visit South Africa.
US citizens don't need visas to enter the US, so it doesn't matter what kind of Indian visa you have. The Indian visa is permission to enter India.