they all voted on the NAFTA agreement
Among other things, they are all capitals of countries in the Americas.
All of them are capitals of Latin American countries:Buenos Aires: ArgentinaMexico City: MexicoCaracas: VenezuelaLima: Peru
new mexico
Yes. They're all on the continent of North America.
They are all in the North America, have foreign languages, and are big.
See related link below
All of them have capitalistic economies; Australia and Canada are developed, industrialized economies while Mexico and Brazil are still in process of industrialization, commonly known as "emerging markets".
USA and Mexico only; Canada is a parliamentary republic.
Mexico is hot all year... Canada is warm and cold.
They are all Chinese capitals
Mexico is ground zero, all the roads start and finish in Mexico City, so all the roads stated from Mexico City, since Mexico City is the capital of capitals, as one of its names it has always been an imperial city, so that is why all the roads lead to Mexico City.
All in the south east They all have long Capitals