What are the 3 categories in which the constitution divides power in the united states

Assuming that you mean the 3 different branches of the government in which power is seperated equally, those branches would be...

Executive Branch, Judicial Branch, Legislative Branch.

These branches of government are seperated and have their own duties on governing the land. Checks and Balances is what it is known by

Executive - The President of the United States & Commander in Chief

Judicial - The Supreme Court

Legislative - Congress ( House of Representative and Senate )

china has confucianism thats everywhere in asia but it isn't really a religion.  

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.