Add spaces: KacthentriedtogototheUnitedStates,helpedbySteinhauswhowasnotonlyhisteacherbutalsobythistimehisfriend.

Answer: Kac then tried to go to the United States, helped by Steinhaus who was not only his teacher but also by this time his friend.

Add spaces: Inthecasethatyour003filedoesn'topen,itishighlylikelythatyoudonothavethecorrectsoftwareapplicationinstalledonyourPCtovieworedit003fileextensions.

Answer: In the case that your 003 file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit 003 file extensions.

Add spaces: continent:NA,country:UnitedStates(USA),city:

Answer:
continent: NA , country: United States (USA), city: