The game changers of the Classical Era were:
- Confucius (551-479 BCE). Confucius was a man who developed concepts about society, education and government. His philosophy remained in force for millenia to come.
- Greco-Persian Wars (500-479 BCE). The small and divided Greek cities won against the Persian Empire and showcased Greece's momentary unity.
- Reign of Alexander the Great (336-326 BCE). A remarkable leader. Spread culture and made an Empire conquering the Mediterranean, India and Egypt. Died undefeated.
- Mauryan Dynasty (321-185 BCE). India's first great Empire. It developed India's economy and spread Buddhism and Aryan culture.
- Han Dynasty (208 BCE - 220 CE). China's golden age. Flourishment of science, technology, arts and crafts.
- Jesus (0-33 CE). His teachings inspired the creation of Christianity. His ideals both unified and divided people. Changed the course of history forever.
- Trans-Saharan Trade (300 CE). Major route in Northern Africa that went through the Sahara Desert, making trade no longer dependant on fair weather.
- Split of the Roman Empire (330 CE). After the Crisis of the Third Century, the Roman Empire divided in two, which led to the creation of the Byzantine Empire.
- Collapse of the Western Roman Empire (478 CE). The collapse generated by nomadic groups' forces, took the Western Roman Empire to the Dark Ages and the return of Feudalism.
- Sui Dynasty (589-618 CE). The Sui Dynasty reunited China for the first time in almost 400 years. Spread buddhism.
Countries ready their military for World War II by requiring colonies to participate, by drafting soldiers into the military and by encouraging civilians to volunteer. This implies the correct answer is 2, 3, and 4.
<h2>Further explanation</h2>
World War I was the First World War. It was also called the Great War and known as the European war in North America. World War I began in Europe and it was an international conflict that involved several nations of Europe which include Russia, the Middle East, the United States, and some other regions.
The war was fought from 1914 to 1918 and it was regarded as the largest war in the history of the world. During the war, about 70 million military personnel were mobilized and over 60 million Europeans took participated in the war.
Some historians regarded the war as the most deadly war ever fought on the planet earth, over 9 million military personnel were killed and also more than seven million civilians lost their lives as a result of the war.
Some of the causes of World War I include
- Imperialism
- Nationalism
- The arms race in Europe
- Balkan Wars
- German Paranoia
- The killing of Archduke Franz Ferdinand
- Russia growth
- Absence of international laws
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Answer:
The individual states in the United States are sometimes called "laboratories of democracy" because they can experiment with innovative policy ideas. This allows other states and the nation as a whole to see if the new ideas work or not before they adopt them.
Explanation: