NWU MSCS 需要SOP吗

如题 求助！
官方给出的reqiurement 如下
感觉从没听过谁说不需要的 但是网申确实没有明确的上传地方 有个writing sample的上传 但是根据这个program介绍看 似乎又不需要…
Your Selection: Computer Science
Term: Fall2020

Please read the following instructions from the program

Program Requirements:
1. GRE Scores and Unofficial Score Report (upload into respective section)
2. Resume/CV (upload into respective section)
3. If you are interested in conducting research with a specific faculty member or members, please list the name(s) in the Faculty field(s), 'Faculty Member 1-4', on the next page. A minimum of two (2) faculty names are required.

你好 问下 您后来交了吗 Writing Sample