Q: If 'This isn't 1775 anymore., can we say that "'It's the year 1775."?

A: no

Q: If yes i thought that was a very good movie, can we say that "I thought it was a terrible film."?

A: no

Q: If After Vasco da Gama landed on the Malabar Coast in 1498, the Portuguese invaded the area and seized Goa from the Sultan of Bijapur in the year 1510., can we say that "Vasco da Gama is the sole reason that the Sultan of Bijapur lost Goa to the Portuguese."?

A: it is not possible to tell

Q: If These visitors of mine had their atomic bomb, or whatever their equivalent was on their own worlds, and survived it, because they didn't give up., can we say that "My visitors had their atomic bomb, but didn't surrender."?

A:
yes