Answer:
The heliocentric theory was fully expounded in Copernicus's great work, De revolutionibus orbium coelestium (On the Revolutions of Heavenly Spheres), published in 1543.
Answer:
B. The spread of communism.
Explanation:
the biggest disagreement was...
Their political views. The US had a democratic and free government while the USSR had a communist and we're the government we own everything policy.
Out of the answer's, answer B seems the most likely.
Balance of power: No single person has full control - for example, in the US there are the three branches of government
Power to the people: People can voice their opinions and typically the government officials are elected into power by majority vote
Rights: Citizens are granted fundamental human rights, whether they are in the majority or minority. For example, in the US Constitution people are granted the right to freedom of speech and religion.
Answer: A. Jean-Jacques Rousseau :)