The Confederate commander tells Fort Sumter's Union soldiers to surrender.
The Confederate army bombards the fort.
The fort's commander knows his men can't hold the fort any longer, so, he surrenders.
After hearing about the fort's capture, President Lincoln calls for the recruitment of soldiers to defend the Union.
Global Alliances: the Allied Forces in WW2 (US, UK, Canada, China, etc), Axis forces in
WW2 (Germany, Japan, Italy. etc), NATO nowadays (US and most of Europe against Russia), etc
Alliances in media: The Federation of many different planets in Star Trek, the strategic groups/relationships competitors on reality shows like Survivor form, Order of the Phoenix in Harry Potter
Personal Alliances: Your friends, parents, siblings, and extended family
Answer:
Feudal System:
The Feudal system was characterized by the dominion of local lords (the feudal lords). These lords had military and economic power over their territories, and worked closely with the monarchs.
Most people were farmers living in manors, which were property of the lords.
They were not slaves, and they had higher levels of freedom. Some of them moved out to other places like cities or merchant towns.
Athenian Democracy
Athenian Democracy was a form of direct democracy. A few male individuals met at the Agora (a central place in the city) to discuss public matters. They were property owning males.
A large section of the population were slaves, who did not have any political or civil rights: they could be sold and bought.