True I think there is never none of any thing
I believe is the second one....
Serena Williams, (born September 26, 1981, Saginaw, Michigan, U.S.), American tennis player who revolutionized women's tennis with her powerful style of play and who won more Grand Slam singles titles (23) than any other woman or man during the open era.
Serena Jameka Williams is an American professional tennis player. The Women's Tennis Association ranked her world No. 1 in singles on eight separate occasions between 2002 and 2017. She reached the No. 1 ranking for the first time on July 8, 2002. Wikipedia
The point was that it was negotiation for two parties, they would force interaction between eachother to get an advantage in the negotiation over the other.
Explanation:
Example: this was used as a policy in the US to coerce the Soviet Union into backing down militarily.
