How does the slope of a road affects a persons driving

Hillenbrand writes, "as louie blazed through college, far away, history was turning" (p. 43). why does the author interrupt louie's narrative with information about japan and germany?

My cat and my dog like best friends

According to the article "clemente's impact wanes in puerto rico 40 years after his death," what happens in puerto rico in 2012 to celebrate the anniversary of clemente's 3000th hit?