Confederation
The Articles of Confederation established a loose confederation of sovereign states and a weak central/federal government.
its wealth from oil made it difficult to gain independence and maintain good relations with the West
Spain. Spain wasn't attacked that much from WW2, most buildings were still standing, not much was destroyed. People were still alive, safe, and well. Spain wasn't attacking back much so nothing happened to them.
<span>autocracy or an monarchy</span>
The conclusion is that although a US president can technically send troops into a foreign country, in order to lawfully declare war, he or she must get the approval of Congress.