Answer:
Sputnik 1
Explanation:
The Soviet Union launched Sputnik 1, the first manmade object to orbit the earth, on October 4, 1957, to little fanfare. In fact, the official Soviet news agency, Tass, didn’t announce the launch until the next day. Global reaction to the announcement ranged from anxiety to glee
In a open primary everybody is allowed to vote and in a closed primary on registered people are allowed to vote. Think of it as a Sale at a store. for a closed sale only members are allowed to get the discounts, but in a open sale you get all of the discounts, even if you are not a member.