The clue could be worded correctly or incorrectly, as it refers to "a group" which could be either one specific First Nation within the larger First Nations or a grouping of multiple First Nations. At the end of the day "a group" is non-specific as to its meaning.
A ship's second-in-command can also be a First Lieutenant if it is a warship. Either allow both terms or make it clear it is a merchant ship being referred to in the question
The first amendment does not grant the right to free speech, nor does any amendment grant any rights. Free speech is a natural right and the Constitution merely guarantees it.
Jewish double portion heritage: First Born