the Legislative branch (specifically the Senate) must ratify treaties. This check on the power of President is part of the system of checks and balances.
"poll tax" describes a legal means southern whites used to prevent blacks from voting in the post-Reconstruction era but there were other means as well.
Search and seizure would mean something like the government taking your cell phone and going through every message you've ever sent, or entering your home and searching through all your dresser drawers. They need to have a court-approved reasonable cause for doing something that invasive.
Quartering of soldiers would mean soldiers would have the right to enter your home and expect you to provide them food and lodging. That's pretty invasive too.
In either case, we're talking about invasions of your privacy, your personal space. Court justices have used statements like those about search and seizure and quartering of soldiers to show that the constitution does give attention to citizen's right to privacy, even if not using the exact term "right to privacy."
The correct answer is C. he helped inspire the American Declaration of Independence
It was John Locke who inspired the American Declaration of Independence, not Adam Smith.