According to Gordon S. Wood, what were two weaknesses of the national government under the Articles of Confederation that led to the Constitutional Amendment

Two weakness of the new national government are the government has no powers over commerce or trade.

Explanation:

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.