The causes of the French Revolution are complex and are still debated among historians. Following the Seven Years' War and the American Revolution, the French government was deeply in debt. It attempted to restore its financial status through unpopular taxation schemes, which were heavily regressive. Leading up to the Revolution, years of bad harvests worsened by deregulation of the grain industry also inflamed popular resentment of the privileges enjoyed by the aristocracy and the Catholic clergy of the established church.
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successfully transformed an array of states into a powerful and unified Germany
became the first Chancellor of Germany, after the unification
The first humans adapted and modified their environment, by manipulating soils and rich silt form the irrigation of the river valley. This allowed for greater use of agriculture which helped the population sizes increase and eventually evolved into a surplus. The humans began to domesticate animals and use them for work. All these adaptation and modifications let civilization eventually grow to the society it is today.
He was elected four times but died before his inauguration