Lines 66 to 71 suggest that the knowledge the grandfather had "all along" (line 72) is that
Toma would never achieve his goals.
the grandfather would not live until Toma came home.
the grandfather would be forced to relocate.
Toma would be changed by his experiences.

Examine the public service ad. how does this ad transmit a cultural value? by sharing relevant high school graduation statistics by promoting a new type of educational program by reminding the public of the need for new schools by encouraging people to strive for more education