ukase, edict
A dummy official order which is not be recorded; it is a letter like warning letter before take a serious action.
Decree
To promulgate means to officially announce or make known a new law, regulation, or decree by publishing it or declaring it publicly. It involves the formal proclamation of a rule or order to ensure that it is widely understood and followed.
The Emancipation Proclamation. Although the 13th Amendment made it all 100% official.
command
An official declaration by an emperor could be termed an "edict" or "pronouncement." The specific declarations will vary depending on which emperor it was and the time period in which it was given.
The Emancipation Proclamation
Unity, amity, order, union
Its real official name is " REPÚBLICA DE HONDURAS " (meaning "Republic of Depths"). In Spanish one does not use commonly an accent mark/signal in capital letter; I did, just in order to show the correct proper name of the country of the question.
to win the war
King George III
The letter H has a rotational symmetry of order 2, meaning it looks the same after a 180-degree rotation.