Which of the following were potential sources of power for the united states industry

The following were potential sources of power for the United States industries: coal fields, oil deposits, and rivers and streams. ... Trains used to work using coal. (Oil deposits) <your answer)are abundant in some parts of the US territory and petroleum represented a new source of energy that made industries more efficient.

answer; /// i do believe that its napolean's conquest of spain;

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.