The conclusion do NOT give a sense of completeness.
In order for the concluding paragraph to be complete, the paragraph suppose to write a short line on the costs of different sporting activities and to make a short suggestion of how schools should go about cutting costs.
The answer is:
the keynote address at the 1976 Democratic National Convention.
Barbara Jordan's speech at Richard Nixon's impeachment hearing in 1974 gave her such popularity because of its rhetoric and honorableness that in 1976 she became the first African-American woman to deliver the keynote address at the Democratic National Convention, together with astronaut John Glenn.
