Answer:
... because Edwin Hubble was the man that proved it from his observations. He proved that there is a direct relationship between the speeds of distant galaxies and their distances from Earth. This is now known as Hubble's Law.
Explanation:
"Forebears" means ancestors. By invoking the memory and stature and wisdom of those who "prescribed" the "solemn oath" used to swear new presidents into office, President Kennedy was connecting his new administration with all the history and accomplishment of preceding administrations. He was hoping to emphasize a connection with values upon which the United States was founded. Hope you find this useful!
Cheers,
Azure
5 is the answer to your question
Not no more they used to be hella addicted to it tho