President franklin d. roosevelt’s depression-era radio talks, or "" remain one of the most famous uses of radio in politics.

Fireside chats

Explanation:

President Franklin D. Roosevelt’s Depression-era radio talks, or "fireside chats," remain one of the most famous uses of radio in politics.

Depression-era radii talks of fireside chats was a series of about 30 evening radio addresses by President Roosevelt to the American populace. It was aimed at bringing the President closer to the citizens and to use the opportunity to let his ideas and policies with the citizens.

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances