Can I work as a contractor while my TN visa is approved?

No. TN visa holders cannot be self employed. If you are working as a contractor, you are self employed.

I got fired after a year working can I get unemployment and aslo the want me to write a letter saying that I left and got a job

You seem to have a question about receiving unemployment benefits but I am not clear if you have other questions.

How do I sue h_r at the county?disgruntled employee swearing angry all the time written up all the time,and tells me f you.

You reported to your supervisor. Are you following his direction to write it all down? See what he does with that. If he doesn't do anything,...

Those questions are totally legitimate but you do not have to apply for those jobs.

I need advise in business purchase order dispute

There are a lot of details. You need to work with someone who has expertise in import/export issues. If you are shipping chemicals oversees you...

Employer is keeping my last paycheck to cover over pmt for 2013 wages. Never agree it's true, nothing signed to that effect

I would hire an attorney. Negotiations or a wage claim may resolve the issue but you should use an attorney.

Temporarily Holding Commission Payments

This is a contract issue, as all have said. You may have some issue if your overall payment falls below minimum wage. Otherwise, finish your...

This is legal, unless they are lying.

I have been on maternity leave, my employer won't fire me, but won't let me return to work. Can I file unemployment?

I would also explore constructive termination with an attorney. You may be entitled to unemployment benefits.

I was in a domestic violence situation and did odd jobs (self-employed) from 2010 - 2012. New employer wants 1099, but

It seems odd that they need your 1099 in the first place. If they are trying to check references, ask if a reference letter or phone call will...