Which of these world religions is considered the oldest, and where did it originate?
a.) islam, which originated in the middle east
b.) buddhism, which originated in india
c.) judaism, which originated in the middle east
d.) hinduism, which originated in india

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.