<prompt> Qedela lo musho olandelayo: Engxenyeni yesibili ka-1926, uBerek wakhonza eButhweni Labasebuthweni Labasebuthweni Labasebuthweni NgoDisemba 1926 wabuyiselwa emuva e-9th Legions Infantry Regiment, futhi esikhathini sikaMeyi 1929 - Septhemba 1931, wafunda eWyzsza Szkoła Wojenna eWarsaw. Ngemva kokuphothula izifundo zakhe zobuphoyisa, waba ngumphathi wabasebenzi be-4th Infantry Division, eyayihlala eToruń 1931 - 1934, kwathi ngo-1934 - 36, wayala i-1st Rifle Battalion eChojnice. Wakhushulwa waba yi-Lieutenant Colonel ngoJanuwari 1, 1935, uBerek wakhonza e-Polish General Staff October 1936 - July 1939. Emasontweni ambalwa ngaphambi kokuhlaselwa kwePoland, wathunyelwa eJarosław, ukuba ayohola i-3rd Legions Infantry Regiment. UBerek wahlala esikhundleni sakhe kwaze kwaba sekunikezelweni kweModlin Fortress, ngomhlaka 29 Septhemba 1939 bheka  <response>: Impi yaseModlin. 