Answer:
Nicholas Copernicus was the Astronomer who first placed the sun at the center
Answer:
Cuba is under a totalitarian communist government system
Explanation:
It lies in the fact that the senior party to any relationship provided land and oversight to the junior party’s who in turn was expected to provide his lord with economic and military support.
The sun-centred model of the universe as proposed by Copernicus was not immediately accepted because it challenged the religious dogma that had held sway in the middle ages because this dogma required the earth to be at the center and man the creation of god as a unique event only on the earth so if helio centrism was to take hold it would relegate man and the earth to a lesser important aspect of the universe.