Mexico is connected to South America through the seven countries that compose Central America. So, depending on your trip route, several oceans could stand between Mexico and South America, including the Pacific Ocean as well as the Atlantic Ocean, via the Gulf of Mexico and Caribbean Sea.
Depending on where you start at it could be Mexico, Canada, Cuba, and any place in Latin or South America.
After the Texas Annexation (when America admitted Texas into the Union as the 28th state), America claimed that Mexico was trespassing onto American soil. America claimed that the border between Mexico and The United States was the Rio Grande River. However, Mexico said it was the Nueces River. Many people believe that America claimed that the border was the Rio Grande River so they could easily acquire more land from Mexico.
how could apartheid have been prevented.
There are no direct scheduled flights between Ireland and Mexico. To get there you would probably fly to an American airport and then on to Mexico. Where in America you flew to and where you were flying to in Mexico and the stopover time between flights would determine the total time. If you could get good connecting flights and times for them, you could probably do it in as little as 12 hours.
America has brought change to the world. This is something that Spain, Mexico and European could not do.
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
No. The area of Mexico is 1,958,200 square kilometers or 761,606 square miles, while the area of Central America is 523,780 square kilometers or 202,233 square miles. Mexico is roughly four times the size of Central America.
so that Texas could be free from Mexico and be a part of America
The separation of North America and South America is the Panama Canal (and for a more generic answer, the separation is just concluded to be at the Panama-Colombia border so Panama does not have to be split into two continents, although it is).
Two examples of historic and famous cities in North America could be New York (United States) and Mexico City (Mexico). Two examples of historic and famous cities in South America could be Lima (Peru) and Sao Paulo (Brazil).
Mexico borders "America", the country officially known as the United States of America. Hence, this time could take from a couple of minutes walking, to several hours by car, boat or plane.