yes
Winchester did not make a 32/20 handgun.
Yes. .22LR or .22 Magnum are quite popular for semiautomatic handguns. Walther, Colt, Browning, Beretta, Ruger and many more companies make .22LR autos.
No
Browning does not make firearms, FN does.
Browning made the first sucessful semi auto shotgun over 100 years ago, along with semi auto rifles (BAR from WW 1) pistols (Browning Hi Power from 1935) and machine guns (.50 caliber Browning)
Browning.
Browning did not make the Luger
Which make & model??
No.
Browning did not make ammunition. They contracted another company to make it for them.
No
South American make.