Declare war, appoint military officers, sign treaties, make alliances
It marked the turning point because it’s a union battle and it would be a win for the north not the south.
Hope this helps.
The correct answer is <span>the British army
In the time period between the two world wars, and after world war two, the British army and the British government were doing many bad things to the Irish Catholic people in the Northern Ireland which led to the strengthening of the IRA who wanted to separate Northern Ireland from the United Kingdom.</span>