Thank you for posting your question here at brainly. Below are the choices that can be found elsewhere:
1) These societies were so involved with violent civil wars that there was little time for cultural development.
2) Natural geographic barriers prevented major cultural development in these civilizations.
3) These African civilizations were entirely self-sufficient and discouraged trade with other areas.
4) Africans established thriving civilizations long before European colonization.
The answer is 2.
He studied piano with composer Franz Joseph Haydn and met Motzart's rival Antonio Salieri
<span>The correct answer is A. Articles of Confederation. This was the initial plan used in creating the union and it eventually became the US constitution when the Congress met in order to debate how it can be changed in improved, but in the end they ended up writing down the completely new Constitution of the United States.Hope this helps. Let me know if you need additional help!</span>