Treason against the state shall consist only in levying war against it, or in adhering to its enemies, giving them aid and comfort. No person shall be convicted of treason unless on the testimony of two witnesses to the same overt act, or on confession in open court.
Gretna is located in southeast Louisiana. Gretna is part of Jefferson County. Gretna has 4.04 square miles of land area and 0.47 square miles of water area. As of 2010-2014, the total Gretna population is 17,801, which has grown 2.17% since 2000. The population growth rate is lower than the state average rate of 2.96% and is much lower than the national average rate of 11.61%. Gretna median household income is $34,158 in 2010-2014 and has grown by 21.71% since 2000.
In Louisiana, a county is called a parish. Depending on what you are considering in terms of largest-Plaquemines Parish has largest area of 2,429 sq mi.