Yes, in accordance with federal law.
Yes
Yes
no, they arent legal anywhere in the US.
It depends on the gun and caliber but most semi-automatic rifles such as the Ruger .22 are legal to hunt with in California.
No. Semiautomatic .22 rimfire rifles may be used for small game, but no semi rifles for deer. See link to Vermont hunting regs, and scroll down.
Contact a local police officer for an up to date answer.
Yes- see link at bottom of page.
No, Texas does not allow open carry for handguns. Rifles and shotguns are not listed in the unlawful carrying weapons law, thus are legal to carry.
MOST rifles are- but you need to refine your question to get a meaningful answer- legal for WHAT?
automatic rifles work by the exerting gas made from the bullet and the gas pushes back the bolt loading a new round in
Provided you comply with all the federal, state and county laws, yes.
Yes