To expand their boarders in both international trade, and influence. Becoming an imperialistic nation led to monetary changes, and this started with the time of President Theodore Roosevelt.
The communist regime of USSR led by Gorbachev was no longer willing to intervene in the eastern countries, in a time that the countries were facing increasing pressure for freedom and liberties. The success of some early uprising in countries like Hungary endeared other countries to follow suit.
When co-emperors diocletian and maximian retired at the same time in 305 ad, their junior emperors (caesars) took their places and disagreements between the caesars led to civil war.
Their junior have a very deep thirst for power, and they ended up killing each other for the sake of their ambition<span />
Answer : The social class mainly belonged to peasant class or the working class and they contributed crops and other things.
Explanation : In early civilizations, the peasant class or working class were the largest social class by majority number of people. These people majorly worked in agriculture and grew the food and crops needed to sustain and feed the society. So, these were the only contributions they gave to early civilizations.
Hunter gatherers had little to nothing
Other people had many resources
Hunter gatherers had to find shelters
Others built theirs with mud and natural resources
Hunter Gatherers had no leaders
Others had leaders and kings