Why were kids sending Jefferson Smith money? from the movie Mr. Smith goes to washington

With the help of his secretary, Clarissa Saunders (Jean Arthur), who was the aide to Smith's predecessor and had been around Washington and politics for years, Smith comes up with a bill to authorize a federal government loan to buy some land in his home state for a national boys' camp, to be paid back by youngsters

Explanation:

a countries leader should be motivated by the common good of the country.