Original sentence: Although the country still faces many social and structural problems, there have been substantial economical developments through stabilization programs.During the early 90s Brazil started following new trends by opening its economy to free trade  and implementing a large scale privatization plan, as well as expanding the agricultural , mining, manufacturing, and service sectors.It is home to varied fauna and flora and extensive natural resources.Its current Constitution defines Brazil as a Federative Republic.The republican system has been adopted since 1889, although its parliament dates back to 1824, when the first constitution was ratified
Edited sentence: During the '90s Brazil revolutionized its economy by opening its market for a free trade , implementing a large scale privatization program, and expanding the large and well-developed agricultural , mining, manufacturing, and service sectors; Brazil's economy outweighs that of all other South American countries, and is expanding its presence in world markets.It is home to the world´s largest varied fauna and flora and extensive natural resources.Its current Constitution defines Brazil as a Federal Republic.The republican system has been adopted since 1889, however its parliament dates back to 1824, when its first constitution was ratified