Don't need to expand on this, but I want to.

I'd say that it was originally to protect those areas from attack, from the heat, and Cold. Those areas are very sensitive, and need to be covered, with cloth material. Kicking off the start of more armour and what not in order to protect them during Offensive attacks. If you get stabbed with a spear in the dick, you're probably Utterly done. They wouldn't be able to fight, they wouldn't be able to reproduce if They were to survive the actual attack to their genitals, which would be a fucking . 4 in 1 million chance of surviving... You'd crawl back to your camp unable to Harness the ability to create more kids in order to keep your camp going. The Aftermath of the war would leave the people without the number of people they Recently had. So afterwards, they're low on people, and unable to create more of A population, they will eventually fall, you know?

Moreover, This expanded on creating pants for warmth, and shirts for warmth, Before tits were seen as a sexual object, as you can see from third world families, Enjoying the shirtless boobs.