Answer:
It is an observational study
Explanation:
In an observational study, nothing changes, all the researcher has to do is to record findings, it is a study that involves the collection of data in a real-world setting without intentionally manipulating any variable. On the contrary, an experimental study involves the manipulation of variables, you have the control group and the test group, the test group is subjected to the treatment.
The idea of the Renaissance spread from Italy to the North European countries. Factors such as expanded trade, the growth and development of European cities, the invention of the printing press, the rising rich class who wanted to support art, contributed to this. Many kings experienced artistic achievements as a source of national pride. Also, artists fled the war in Italy in the late 1400's. The Catholic Church's lack of interest in participating in the real life of people played a major role, simply did not want the change.
Still, the main factor was trade and technological innovation that go together.
The invention of the printing press is the dominant factor. Around 1450. Johannes Gutenberg invented mobile printing press.
Gonna need at least a description of it boss.
