It means "mailed".
carried or transported by
If you mean how slaves were transported to the United States, it was by ship. If you mean how slaves were "transported" to freedom from the south, that was called the "Underground Railroad."
After the post leaves the post office, it is typically transported to a regional distribution center or sorting facility. There, it is sorted based on its destination and routed accordingly. Depending on the destination, it may then be sent to local post offices or directly to delivery routes for final delivery to recipients.
It take around a day or two for ordinary post to reach Raigad from Pune. Mail is transported through rail system.
It means "after".
the prefix post means after
post hire only
Post mortem means "after death."
post hire only
I think you mean ex post facto, which is latin for "after the fact" I think you mean ex post facto, which is latin for "after the fact"
carried from point a to point b in a vehicle/vessel
after