Criminal record, having been adjudged mentally incompetent, or being a minor.
No! Not unless you would be in the business of also selling firearms.
Possibly. Most license vendors do not have the facility to check a background, but a hunting license would not allow a felon to possess a firearm. They could/would still be arrested for that offense and obtaining a hunting license would actually show intent.
Most notably any drug trafficking charges. Each jurisdiction that issues a limo license will have its own rules by which it does.
Impossible to answer without knowing where you are, how long ago and details of the fine.
You would have to define "tactical rifle". In most of the US, no license is required for rifles or shotguns. Full auto firearms must be registered with the US BATFE.
Not if it's a CLEAN record!
You would need to specify what "firearms licence" you had in mind, as well as the location you were referring to. In most of the US, no such licence is needed, save for Illinois, which requires you to have a Firearm Owners Identification Card (FOID).
Under US law, 2 separate matters. MOST states do not require a license to own a firearm- if your state DOES require a license, you need to check with your state. SALE of firearms is regulated by the Federal Government thru the Bureau of Alcohol, Tobacco, Firearms and Explosives. To engage in the business of selling firearms, you would need to be licensed as a dealer. You may obtain an application from the BATFE. In addition, you will need to meet any state or local laws, such as zoning for the location of the business, a business license, sales tax, etc.
When you need to find information about getting your mcse license in New York, the best place to look would be an online university. They will list courses for obtaining an mcse license and include detailed information about what is involved.
This would be process that varies from state to state. The best place to start would be with your states Board of Realtors or a local Real estate agency.
You would be trained for and be a holder of all the licences you require including firearms by the time you complete your Police Officer training.
You cannot obtain a marriage license unless he is legal. It would be best to focus on him obtaining citizenship so you can get married.