levi strauss came along and improved on the idea of denim pants.e improved on them by adding rivets to the joints so they became much more durable and difficult to rip them so they were popular with people during the california gold rush, people who needed really hard wearing clothes. one of the reasons i bring him up is because he is an example of how the entire country, whether or not they expressly, overtly brought it up, the entire country's economy benefited from enslaved labor. even levi strauss, who says on his tags that he is the only manufacturer of denim that does not -- that uses all white labor, he wants people to know, i don't use chinese labor. i don't use enslaved labor. i use all white labor and that was supposed to be -- it was almost like a made in america sticker today. that is how he wanted people to see it. you know, if you do some more digging, you can find that of course, very often, the cotton levi strauss was using, grown by slave labor, the knowledge of how to dye indigo, brought over by enslaved africans from western afri