How do we see the idea of Manifest Destiny on display in Texas and the Lone Star lessons?

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

true true true true that all

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.