How did Brazil gain its independence?

(1 point)
Responses

It was conquered by France and then liberated.

It was conquered by France and then liberated.

It was freed after a slave uprising overthrew the plantation owners.

It was freed after a slave uprising overthrew the plantation owners.

It was taken away from Spain by the Treaty of Tordesillas.

It was taken away from Spain by the Treaty of Tordesillas.

It was declared an independent empire by Portugal's royal family.

It was declared an independent empire by Portugal's royal family.