I think it's B, C and E. The source seems to be credible, factual and is a secondary source.
If the speaker is using the pronoun "I," that means they must be telling the story in the first person. They appear in the story and tell it from their own point of view.
Mesopotamia is between two rivers: Tigirs and Euphrates
Don't quote me on this, but I do believe they were dubbed 'Riveters' such as "Rosie the Riveter"
I'm pretty sure that's correct, but again don't quote me, and have a good day!