Vogue evolved from the culture of queer ballrooms where dance gatherings, contests and shows were held. Modern "vogue" almost died in the 80s with the AIDS crisis, but ultimately survived by spreading to Europe and East Asia fused with other queer forms of dancing like whacking. Both voguing and whacking have major elements of character work (pretending to be a model or a super star) and story telling (moving your arms in a way that convey a message or tell a story). These are crucial elements that have acted like coping mechanisms for the often disenfranchised black and Latin performers.

I don't know the origin of the death drop, but I know that it is more common in certain styles of vogue than others. The main move set is whacking, which we've covered as stylishly flailing your arms, catwalking which is a model strut, duckwalking which walking while crouching, story telling which is moving your arms to convey a message or meaning (ex. swiping over your face to emphasize your looks) and the death drop which is it falling on your back but using one leg to catch you as you fall.

The main styles of vogue are old school which emphasizes more geometrical moves, new school which is usually divided into stunty which emphasizes dramatic stunts jumps spins and drops, and femme which emphasizes soft and "cunty" moves as well as feminine story telling.

It used to be pronounced the way we pronounce "women", but supposedly the W sound affected the singular woman to sound more like the vowel in "wool" than "will".

Why does it be the vowel in "wool" and not the vowel in "cough"? I've only ever seen the W sound explanation about its pronunciation, but the vowel in "will" be "wool" are pronounced in similar places of the mouths (similar "closed-ness" of the mouth), so it might have been a small move from one sound to another.

I believe they may be using a non-rhotic dialect. Not all Englishes pronounce that R. I beleive they're asking why the vowel in "wo" is the vowel in "book" instead of the vowel in "god".