It united the culture of the Inca people and created a sense of loyalty to the emperor.
Was in a different continent without any damage or life loss
It is a printing press that is being shown, a form of machinery invented by Johannes Gutenberg around 1440 which was based around already invented screw presses. Here, a company, perhaps book or newspaper related, is busy using the printing press to making multiple copies of the same text again and again.
Lincoln freed slavery with the emancipation proclamation
Answer:
Christmas, Christian festival celebrating the birth of Jesus.
Explanation: