What was kennedys summons for his listeners

He principally wanted to summon the American people to the challenges, sacrifices, and discipline he expected to come not only for the USA but worldwide, he did this first in his historic inaugural address, this included some points that were Kennedy's politics these points were to convey his seriousness of purpose, the achievement of genuine peace, negotiations and cooperation, and to win more friends for the United States in governments of the third world.

what can best be inferred from this excerpt is the pittsburgh pirates had a winning season in 1972., the specific information about the year is provided in the excerpt.

the other options are not correct because we can not assure that roberto clemente was the best since we don't know the information about the other players, there are no mentions about any specific fan either and it is clear that not many batters can make it to   3000 hits because it is mention as a high number.