Depends on what you mean slavery -(freedom) was the act of African Americans fighting for their will rights and "freedom"
And freedom as a nation is the ability to do as you please (to a limit) and not have to worry about anything like slavery, not soon anyways.
I may be wrong but from what I remember it should be D.) Revise the Articles of Confederation
It was Grenada.
Grenada has obtained independence in 1974 and in 1979 a leftist government took power after a coup. The invasion of Grenada removed this leftist group from the government.
Soon after the invasion, Grenada had democratic elections
sought to curtail the political power of organized religion