Answer:
A television documentary-secondhand
A Letter -Firsthand
An interview-Firsthand
An article-Secondhand
Explanation:Trust
Bunker Hill I'm pretty sure
The main reason why the US Senate is often called “the greatest deliberative body in the world" is because it allows each state to have an equal say in legislation regardless of the state's size, which is a powerful function.
Human made object, mostly a item of culture or historic interest