<span>Washington considered it important to put down the Whiskey Rebellion, because if he didn't, it might undermine the new government and weaken its authority.</span>
The correct answer is letter A
Explanation: The discovery Christopher Columbus was important because it led to the colonization of the Americas. He thought he had arrived in India, that was his object. But when he arrived there he met natives who were very obedient and docile.
The first official president of the USA, was George Washington.
Since you provide no options,
The most significant result probably that Kiev was able to increase its wealth
After Kiev increased its trade around that region , they're able to buy more manpower and equipments that would help them in their cause