Studying fossils, studying artifacts, things like tools and human remains.
Renaissance Humanism – named to differentiate it from the Humanism we have today – was an intellectual movement which originated in the thirteenth century, and came to dominate European thought during the Renaissance, in which it played a considerable role in creating. At the core of Renaissance Humanism was using the study of classical texts to alter contemporary thinking, breaking with the medieval mindsets and creating something new.
The scientific name is given to it by scientist and the common name is basic and easier to pernounce
The correct answer to this open question is the following.
Current scientific evidence suggests that people arrived in America when the Berin Strait was frozen, approximately 25,000 to 30, 000 years ago.
The Berin Strait is located in the Northern part of the North American continent and the Asian continent. Historians and anthropologists agree on the idea that in that time, the sea was frozen by the extremely cold temperatures and that is when people from Asia that were following animal herds to hunt and feed their families, crossed the Berin Strait from Russia to Alaska. Other scientists name this place as Beringia.
It would be the "communist manifesto" that is considered the origins of the communist system of government, since it was written jointly by Karl Marx and Engles.