Giving brainliest for first right answer

Pyramids at Giza

Explanation:

The first way you can tell is that it's furthest to the left on the timeline. The second way you can tell is by looking at the dates. If you use the second method, remember that BCE dates go backwards, so the bigger the number, the further back it was.

a.

congress passed laws allowing for free passage between states.

if you could provide the poem below, i'd be happy to you!

explanation:

you didn't give us the poem, or the title of the poem. but it is essential for you to give us that, otherwise we can not detect when the poem has a tonal shift!