I assume you mean the USA and South america, if that's it then it would be every country between Mexico and Panama. If you meant North America from South America, then it would be the panama canal. If you meant USA, then there is no reason why, it just is. If you meant North America, then they made the Panama Canal because then, boats could easily get from New York to California without having to go all the way down to the tip of South America, they could just cut through Central America
what separates the south America from Antarctica
The geographical formation that separates the Americas is Central America. Central America is the strip of landmass that separates North America and South America.
The atlantic Ocean separates Africa from north and south America
Middle America.
It's what separates Mexico and south america
The Caribbean Sea.
The Pacific Ocean.
Pacific Ocean Yes, although the Pacific Ocean can be said to be two oceans: the North and South Pacific Oceans. The North Pacific Ocean is the one that separates North and South America from Asia and the South Pacific Ocean is the one that separates South America from Australia.
panama canal
The Isthmus of Panama separates North America from South America. It is also known as the Isthmus of Darien, and is a narrow strip of land that is in between the Caribbean Sea and Pacific ocean.
Central America separates North and South America. Very funny. If you are referring to the narrowest part of the land connecting North and South America, it is called the Isthmus of Panama.
The Caribbean Sea.