Yes, a US citizen does not need a visa to travel to Germany for stays of up to 90 days for tourism or business purposes.
Yes, a US citizen can work in Germany with the appropriate visa and work permit.
No, a US citizen cannot travel internationally without a passport.
Yes, a US citizen needs a visa to travel to Russia.
Yes, as a US citizen, you do not need a visa to travel to Germany for stays up to 90 days within a 180-day period for tourism or business purposes.
Yes, a US citizen can travel to Canada with an enhanced driver's license.
The right to travel with a US passport is one benefit of being a citizen of the US. US citizens need a passport to travel to other countries.
No.
Yes, a US citizen does not need a visa to travel to London for stays up to 6 months.
no
NO.
money!