FYI during world war I, armys could laid a track in 2 days during world war II german wehrmacht also build the railways and change gouge in real time time to r

FYI during world war I, armys could laid a track in 2 days during world war II german wehrmacht also build the railways and change gouge in real time time to real hot war solutions, send nato ships to odessa to unblock the port is it just impossible to ship grain by train, the same as it is impossible to install android on iphone 13