1. Which of the following information might be the most aidedhelpful for historians?

While we can use "most" without the definite article to mean "exceedingly," this sounds more appropriate to me.

2. My point is that its central consciousness — its profound understanding of class and gender as shaping influences [that shape?] on people's lives — owes much to that earlier literary heritage.

"Shaping influences on people's lives" would mean that they shape OTHER things that influence people's lives, so this phrasing is more logical to me.

1. Which of the following information might be the most aidedhelpful for historians?

The verb isn't correct, and I'm not sure if I gave you the one you needed. Historians don't typically need aide beyond access to historical information.

2. My point is that its central consciousness — its profound understandingcomprehension of class and gender as shaping influencignificant attributes oin people's lives —a person's identity-- owes much to that earliery literary heritage.texts.

It was difficult to write without another sentence of context. I only changed literary heritage because I wasn't sure if you're addressing general texts or a specific culture. Otherwise, ignore that correction.

3. This seemingly impossible requirement can also be metaddressed by technology.

"Met" is vague. I don't know the context of the sentence, but it helps to be specific.

1. Which of the following information might be most aidedhelpful for historians?

Aided is the past tense of aid (verb).
Helpful is a noun that would fit this sentence better, if thats the meaning you're going for.

You could also say: Which of the following information might have most aided historians?