No. In the US that requirement was changed in 1989
It is necessary to register your copyright, and yes, the logo helps but is not necessarily required.
Not since 1978.
automobile
You would need permission to alter the logo to begin with.
Yes the artwork would be protected as a copyrighted work and the logo would be registered as a trademark by the company.
If the painting is still protected, you would need a license.
I'm pretty sure that you would need to negotiate a proper licensing contract with the NFL to sell anything with their logo on it. And how do you plan on purchasing the logo. I'm pretty sure the NFL is not selling it. The rights to a logo are not something you can just purchase.
A trademark would only be useful if you were using it as a logo, i.e., a mark used in trade.
If you are generating original materials (handouts, training videos, etc.), you would automatically have copyright protection for them. The opposite is also true: if you are using others' materials, you need permission. If you are starting an entirely new support group, you might also want to trademark the name and/or logo.
Facts which are not considered common knowledge should be cited, regardless of copyright. Wikipedia articles, for example, should still be cited.
Buy the image. Purchased stock images do not have the logo. A logo or watermark is an indication of who owns the rights to use for that image and you need to obtain that from them either through buying or renting it (for a limited amount of distributions through media). Removing a watermark, logo, or copyright mark yourself, to use the image without being given the right to do so, is stealing.
A commodity is any item which can fufuill a market desire or need. Lumber is considered a commodity because it can be bought and sold to fufill a desire or need in the economy.
No personal fiance is a need it's all a want. If you are living on credit of any type then you made a decision that you wanted that item before you had saved the money to buy that item.