Arizona an at-will state
Arizona is an “at-will” state, which means that unless you had a contract of employment that specified otherwise, the employer could fire you at will, without a reason. Therefore, there is nothing you can do about it.
Following is the applicable excerpt from the Arizona Labor Code:
23-1501. Severability of employment relationships; protection from retaliatory discharges; exclusivity of statutory remedies in employment
The public policy of this state is that:
1. The employment relationship is contractual in nature.
2. The employment relationship is severable at the pleasure of either the employee or the employer unless both the employee and the employer have signed a written contract to the contrary setting forth that the employment relationship shall remain in effect for a specified duration of time or otherwise expressly restricting the right of either party to terminate the employment relationship.