Avi K -“As for establishing a state, on the contrary, it is an absolute obligation as stated explicitly by Ramban in his Sefer HaMitzvot (and some say Rambam does not mention it because it is included in other mitzvot or basic to the Tora as he explains in the Shorashim).”
This Din would be for a Medina and a Jewish army run acc. to the Torah. This isn’t the State of Israel, which have neither.