Simplify the following text for a Grade 5 native English-speaking person.
Original: This was first worn on some major league baseball team 's uniforms in 1907 , and the pinstripes were then widened in 1912 , so that the crowd could see them more clearly .
Simplified: They were first worn on some major league baseball team 's uniforms in 1907 . The pinstripes were soon widened in 1912 , so that people could see them more easily .