No idea what primary research so i'm going to assume you mean primary source in which case it depends on the type of evidence, like if it's a personal account then that's a primary source but if it's someone telling of someone else's story it's not.
The Renaissance (in Italian "Rinascimento") started in the region Tuscany during 1500s.
But it started precisely in the city of Florence.
Why?
1) recovery after an economic and social crisis.
2) bankruptcy.
3) plague.
4) famine.
5) civil wars.
6) Milan threats Florence.
7) Gian Galeazzo Visconti wants to create a national state governed by Milan.
8) Florence wanted more indipendence.
Also Florence was a city anti-aristocratics, with a secondary role of the Pope and the Church. Florence had a corporative system, and big families of bankers and merchants (like Medici).
Consier also that a lot of "Signori", especially in Florence used to pay painters, sculptors and writers.
Florence is also called "The city of art". Florence always had great artists...
Answer:
World War I popularized the use of the machine gun—capable of bringing down row after row of soldiers from a distance on the battlefield. This weapon, along with barbed wire and mines, made movement across open land both difficult and dangerous. so trench warfare was born
Explanation:
It is defined as the killing of a ethnic, religious or social group of people which is considered to be against the law and it's violation toward civil rights
The Greek were at war with the persians
