Example of paradox in the speech of convention Benjamin Franklin

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

i would think the answer is between b and d i would say d sorry if wrong

what is the question

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.