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anyone from Alabama? Carry laws question.

1020 1
Is anybody here form Alabama that could enlighten me on a few issues?

1. can ya carry where alcohol is served? i ain't drinking just many states say NO anywhere around alcohol.
reason being is i'm going to a ball tourney in a not-so good part of Birmingham.
so how the law relates to open air arenas is most applicable.

2, open or concealed in a motor vehicle?
in ohio it must be open (yeah i know...dumb) but other states its hidden always!

3, parks? city parks? i am not sure if the ballpark is city owned or private.
i would assume if it was private it would be posted if no carry.

don't need any trouble from either'S or cops.

any help is appreciated.