There isn’t a link but you have to link your sources in alphabetical order or here’s a link to do it for you
https://www.citationmachine.net/mla/cite-a-website.
I'm not going to write 50 words, but historical context is always important so you can use examples.
For the 3rd one it would be D. You see the evidence when it says “to avoid having students gather in groups”
Answer:
othello becomes divided against himself conflicted about whether he loves or hates Desdomona
Written during the late 1500's and takes place in the 1300's
