I want to attend a 4-day seminar in USA, please what forms do I have to fill

[godlittleson]

Please I have applied for a 4-day seminar in USA please what type of documents do I need and what type of forms do I have fill and send to the embassy. Please do I have to write 4days in the How long will you be spending in USA column of the form? Hoping to hear from you soon.
Joseph.

[txh1b]

Which country are you from?

[godlittleson]

am from Ghana, West Africa

[godlittleson]

am also a full time college student and I want to study about, Peace,Immigration, medicine,Globalization

[godlittleson]

am also a full time college student and I want to study about, Peace,Immigration, medicine,Globalization and Energy