Question

1. what is the capital city of brazil?
2. name the largest river in brazil.
3. what is the official language of brazil?

Explanation:

1. Brasília was chosen as Brazil's capital in 1960 due to its central location, aiming for balanced national development.
2. The Amazon River flows through Brazil and is the largest by discharge volume globally.
3. Portuguese became Brazil's official language because of Portuguese colonization starting in the 16th century.

Answer:

1. Brasília
2. Amazon River
3. Portuguese