yes
you can re-enter Kenya lol
No, you cannot enter the US without a passport.
Yes, children under 16 do need a visa to enter Kenya. They are required to have a visa in their passport, and upon arrival in Kenya, immigration officials will stamp their passport with the appropriate visa.
Yes, you do. Africa consists of 54 countries and you require a passport to enter any of them
no you need a passport
No, you cannot re-enter the US without a passport.
Yes they do need a visa to enter Italy.
You can enter the US without it only if you have other proof of your citizenship and identity. If not, you need your passport.
No
No, you cannot leave the United States without a passport. A passport is required for international travel to enter and exit other countries.
No, you cannot take your baby to Mexico without a passport. All travelers, including infants, need a valid passport to enter Mexico.