What leads to the development of a civilization?

What are first colonial and or territorial days in Nebraska? Why did Germany and Japan become allies? What fruits did ancient greek grow? What were the Changes in Canada's international status after world war 1? Where was battle of Iwo Jima fought? How many years were charles and diana married? What is the past tense of huge? What was the rival Italian civilization defeated by Romans called? Is there a fee for traveling on an airplane if carrying 10000 cash or more? Is Laozi a god? Who invented the first weapon? Where do the native Americans live? Where can a Brigade find their CMETL in there organization? Why did Delaware sign the constitution? What three ways did government policies engourage acculturation and assimilation of Indians? When was Portuguese Legion - Napoleonic Wars - created? Explain how national security was used to justify foreign policy choices during the Cold War? Who met on September of 1774? How many languages do native Canadians have? Who was Giolla Phdraig?