During the first half of the 19th century, the newly-formed countries of South America lived in a state of great political turmoil, since they fought against each other for defining the extension of their national territories.

Gabriele Esposito is an Italian researcher and a long-time student of military history, whose interests and expertise range widely over various periods. He is the author of numerous books on armies and uniforms and is a regular contributor to many specialized magazines in Italy, France, Netherlands and UK. His many previous works include Armies of Early Colonial North America 1607-1713, published by Pen & Sword in 2018.