The land was bank owned. In many cases bank owned properties receive multiple offers, and if your offer is too low you may not get any response. The order in which your offer was received makes no difference to the bank.
However, as I said previously, the listing is cancelled, not sold according to the MLS listing.
You may have been First, but that means nothing to the Seller.
Your disability does not mean anything to the Seller either; they probably wouldn't even know about it.
Trying to buy Real Estate on-line must be very difficult.
My heart goes out to you.