The Einsatzgruppen were used by the military to gather Jews nearing the end of the war
I belive the answer is the filibusters.
Answer:
A period of flourishing art & revolutionary science
The Black Death helped start the era
Florence was the center of the Renaissance
The printing press was a game-changer
Explanation:
Fire helped to bring light during the night, it brought warmth during the cold seasons and could cook food. Helping to make permanent civilizations because they didnt have to migrate when it is cold.
Hope this Helped ;)
So I believe that some empires wanted to spread, or expand, their rule on some territories or countries