The successful launch of sputnik 1 was the first instance of what?
satellite communication
use of the internet
computer-operated robotics
use of a gps device

the correct answer among the choices is satellite communication. The successful launch of Sputnik 1 was the first instance of satellite communication. hope ths helps

awww

so much for the shoutout

that means so much to

~courtney

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).