Belief in the ideas of enlightenment and discontent whitin the third estate were causes of the French Revolution.
The Republic of Venice was a major financial and maritime power during the Middle Ages and Renaissance, and a staging area for the Crusades and the Battle of Lepanto, as well as a very important centre of commerce (especially silk, grain, and spice) and art in the 13th century up to the end of the 17th century.
John Adams was an ambassador to France during the American Revolution. Also served in Amsterdam securing a large loan that helped finance the war. He was also the first VP under George Washington, though Washington pretty much shut him out.
Rome was a republic and a monarchy
Greece was a democracy and oligarchy
Social stratification<span> is a society's categorization of people into </span>socioeconomic<span>strata, based upon their occupation and </span>income<span>, wealth and social </span>status<span>, or derived power (social and political). ... Moreover, a social stratum can be formed upon the bases of kinship or caste, or both.</span>