Yes, a U.S. citizen can enter the U.S. with a passport expiring in 6 months.
This is because when you enter a country with a nearly expiring Passport, this might not be valid for when you exit the country and there you will have issues.
Yes. As long as the passport is still valid.
No, a South African citizen cannot enter Mauritius with a temporary passport. He has to have a full passport.
As long as the passport is valid he or she can enter the US from whatever country they are returning from. Yes.
If you are not a citizen of the EU you need a passport to enter Spain.
with a passport and a plane or a passport and a boat
If it's a valid US passport or you are a dual-citizen most likely
passport
When you enter a country, you have to have a passport--even if you are a citizen of that country.
when does a us citizen need a passport to drive to Canada
Everybody. If you are a US citizen you can go without a passport. If you are not a US citizen you can enter with proper passport and with an US visa.
A valid passport is required