<prompt> Pedzisa mutsara unotevera: Muhafu yechipiri ya1926, Berek akashanda mu83rd Infantry Regiment paKobryn. Muna Zvita 1926 akaendeswa kumashure ku9th Legions Infantry Regiment, uye munguva yaMay 1929 - Gunyana 1931, akapinda Wyższa Szkoła Wojenna muWarsaw. Pashure pokupedza kosi yake yomukuru mukuru, akanga ari mukuru wevashandi ve4th Infantry Division, yakamira muToruń 1931 - 1934, uye muna 1934 - 36, akatungamirira 1st Rifle Battalion muChojnice. Akakwidziridzwa kuva Lieutenant Colonel musi wa 1 Ndira 1935, Berek akashanda kuPolish General Staff Gumiguru 1936 - Chikunguru 1939. Mavhiki mashomanana pamberi peKupinda kwePoland, akatumirwa kuJarosław, kuti atungamirire 3rd Legions Infantry Regiment. Berek akaramba ari pachigaro chake kusvikira kugoverwa kweModlin Fortress, musi wa29 Gunyana 1939 ona  <response>: Hondo yeModlin. 