You came to the US, met and married someone on short notice, never lived with them. What evidence of do you have of the marriage. Did you have joint accounts. joint insurance, beneficiaries on each other's insurance, etc. Without this kind of proof you are dead in the water.
AND you never lived together so no case for VAWA
AND you have no proof of abuse. What you have is proof of a bad marriage
Statements from friends are almost useless as anyone can write a letter saying whatever you want.