If it's for a job dress nice not necessarily as nice as you did for the interview (but you can if you want too) since technically you can wear anything since it's orientation but you'd still want to make a good first impression to your co-workers so really just choose what you like and make sure your presentable.
During work and outside of it, slaves suffered physical abuse, since the government allowed it. Treatment was usually harsher on large plantations, which were often managed by overseers and owned by absentee slaveholders. Small slaveholders worked together with their slaves and sometimes treated them more humanely.
True more americans goods were produced by the american tribe