What conclusion can be made about the use of enslaved people during the slave trade?

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse

the lachish letters were written by hoshaiah, a military officer stationed possibly in mareshah,   and sent to yaush, possibly the commanding officer at lachish.

the series of letters were written in carbon ink in ancient hebrew on clay ostraca, shortly before lachish fell to the babylonian army of king nebuchadnezzar in 588/6 bc during the reign of zedekiah, king of judah.

the maya developed an early form of gunpowder.