> were blacks considered men?
Yes. The people who wrote the Constitution were well aware of the conundrum, but were faced with the reality that they could not form a union without allowing the slaveholders to continue. In essence, they kicked the can down the road, which resulted in a catastrophic war.
> did it include women?
Yes. Whether the word "men" means exclusively men or men and women depends on the context.
> taxes are not what's keeping them homeless
You're suggesting that taxes don't have effects beyond just paying the money. When a businessman is taxed, for example, that means he has less money to invest in his business, which means fewer jobs, fewer purchases of plant & equipment, slower growth, higher prices, etc., all of which negatively affect the rest of the economy, including poor people.
> that libertarian shit is such an obvious myth to protect the rich
America's rich people came from poor immigrants. The same for America's middle class.
> Every country I've ever visited with more redistributive policies has a substantially better quality of life
Have you ever looked at the size of government spending on redistribution? The US abandoned libertarianism in the early 1900s.