Question: Name the country which adopted the Union jack as the semi-official status?
Sentence (from "Flag of Great Britain"): The design was ordered by King James VI and I to be used on ships on the high seas, and it subsequently came into use as a national flag following the Treaty of Union and Acts of Union 1707, gaining the status of "the Ensign armorial of the Kingdom of Great Britain", the newly created state.
Relevant evidence: No