Argentina
Iguazu Falls marks the border between Brazil and Argentina.
When countries share a border it is referred to as a "common or shared" border.
how many countries border touch with Germany
The countries that share a border with Paraguay in South America include; Brazil, Argentina and Bolivia. These countries are all interconnected but you;d have to more specific as to what you mean by how they influence each other.
Argentina
Well, Uruguay has the River Plate as its border with Argentina.
Chile
Chile, Bolivia, Paraguay, Brazil and Uruguay all share border with Argentina. Culturally, near the border with those countries people share a lot of the culture of their neighbours, but Uruguay, previously part of the Government of the Rio de la Plata that later became Argentina, is the closest to Argentina's capital city and is probably the culturally closest neighbour.
Australia does NOT share a border with Iraq.
No countries share a border with Israel except Lebanon, Syria, Jordan, and Egypt.
Yes, Paraguay share borders with Argentina, Bolivia and Brasil.