For the unit of measurement, see acre
Acre is a state in the Northern Region of Brazil. It borders other two states, Amazonas and Rondônia. It also borders two countries, Bolivia and Peru. Its capital city is Rio Branco. Other important cities are: Cruzeiro do Sul, Tarauacá, Sena Madureira, and Brasiléia.
The state is mostly covered by the Amazon Rainforest. There are many rivers in Acre. Some of the rivers are the Juruá, Purus River, Acre River, Tarauacá, Muru, Embirá, and Xapuri.
The economy is based on agriculture, cattle animal husbandry, and rubber production.
Until the start of the 20th century, Acre was a territory of Bolivia. Since the 19th century, most people from Acre were Brazilian people, and they created an independent state.
In 1889, the Bolivians tried to control the area again and there were fights.
In November 17, 1903, Acre become a Brazilian territory. On June 15, 1962 it was unified and became a state.