Why was the law of universal gravitation such an important step in understanding the universe

The law of universal gravitation is such an important step in understanding the universe because it applies to the Earth and Moon because these two objects attract each other. The law of universal gravitation states that any two bodies in the universe attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

The answer is a)advocates of divine right.