Simplify the following text for a Grade 8 native English-speaking person.
Original: was a pamphlet published on 28th January 1933 by Choudhary Rahmat Ali , and was supported by Muhammad Aslam Khan Khattak , Sahibzada Sheikh Mohd Sadiq , Inayat Ullah Khan in which the word Pakistan was used for the first time and was presented in the round table conference in 1933 .
Simplified: was a pamphlet published in January 1933 by Choudhary Rahmat Ali in which the word Pakistan was used for the first time .