B I think, slavery increased tons in the south because of Rice and other cash crops. The south was big on agriculture.
Limits on U.S. and Soviet weapons (hence the title "Strategic Arms Limitation")
30 GBP
Today that is equivalent to 2,592 GBP!
I hope this helps!
I can tell you who invented them: Benjamin Franklin. And, while he wasn't president, he is on the $100 bill. It did happen during the time period Declaration of Independence, which he signed.
