There wouldn't be a USA, and...
the Indians would still have pretty much all of the Middle-west of the USA.
Hawaii would still be under their kings/queens
Alaska would still be part of russia
China would pretty much never had any technological progress (they isolated themselves)
Japan would still be going around with pretty much katanas.
etc etc
if you want more i can give you more (if you want information on why one is on the list, post it in the comments)
hope this helps
The domino theory is the theory that if one country was to fall to communism then the rest of the countries in the region would fall
In his text "Slavery, a System of Inherent Cruelty," Theodore D. Weld shows how cattle were sometimes treated better than slaves. An example he gives of this is how cattle are allowed to graze as much as they want, while slaves often received a very small portion of food. Another example he gives is how when cattle are to be sold, they are transported in a way that is comfortable to them. On the other hand, slaves often had to walk very long distances, regardless of the weather, while being chained to each other.