Original sentence: 1st Division was formed in the Northern Military District, 4th in the Central Military District, and 5th in the South.In addition to the two divisions overseas, the Army raised three others at home during the Second World War.They were disbanded after the danger of invasion receded
Edited sentence: 1st Division was formed in the Northern Military District (with 1st and 12th Brigades), 4th in the Central Military District (with 2nd and 7th Brigades), and and 5th in the South.In addition to the two divisions overseas, the Army raised three others at home during 1942-43.They were disbanded in 1943 after the danger of invasion receded