Tigris if im not mistaken
Denmark<span>, </span>Poland, theCzech Republic<span>,</span>Austria<span>, </span>Switzerland<span>, </span>France,Belgium<span>, </span>Luxembourg<span> and the </span><span>Netherlands</span>
Answer : I hope this helps !
There were two ancient civilisations in central and South America which the Spanish were particularly interested in. Both the Inca Empire of Peru and the Aztec Empire of Mexico held many riches. The Aztecs were the first great Native American civilisation with which the Spaniards came into contact.
Answer: It is the 3th one Alliances required nations to defend each other against aggression.
Explanation: That's what a alliance about helping one another.