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.
The Louisiana Purchase, which was actually made by Jefferson himself, was a shift in his general principles because it required great power on behalf of the federal government, which Jefferson himself didn't like. The same goes for the Monroe Doctrine.
True.
The Paleolithic Period is also called the Stone Age
Answer:
A. Girl with a Pearl Earring
Explanation:
A. Girl with a Pearl Earring