Well this is a very opinionated question but personally:
Astronauts improve society by using the newest and most expensive technology to be able to explore space as we know it.
Answer:
They wanted to increase sales of their own products.
Explanation:
The stamp act was an act passed by the British parliament. The act placed a tax on every piece of printed paper. This made it very hard to share news threw letters or newspapers. But also they taxed ship papers, trading documentations, licenses, legal documents, and even play cards.