Jose de San Martin and Simon bolivar worked together to free which if the following regions ?

José de San Martín and Simón Bolívar played key roles in the liberation of South America from Spanish colonial rule during the early 19th century. Together, they worked to free the following regions:

South America:

• San Martín and Bolívar collaborated in the liberation of several South American countries from Spanish rule. They were instrumental in campaigns across the continent that ultimately led to the independence of countries such as Argentina, Chile, Peru, Colombia, Venezuela, and Ecuador.

Their efforts contributed significantly to the broader movement for independence in South America, and both are considered crucial figures in the history of Latin American independence. San Martín is particularly associated with the southern part of the continent, while Bolívar played a key role in the liberation of northern South America.