The british advantage of a well organized military was weakened by:
a. the fact that military leaders were often chosen because of their social status and not their abilities
b. the long supply line from britain could not be sustained
c. the lack of morale amongst the men in the army
d. hessian troops were disruptive as they refused to take orders from their british commanders

d is the correct answer

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.

i will get back to you let me look in my notes and i will tell you shortly