Final answer:
Throughout the 20th century, Brazil alternated between military and civilian rule, highlighted by the governance of GetĂșlio Vargas who led with both civilian and authoritarian structures.
Step-by-step explanation:
For much of the 1900s, Brazil cycled between military and civilian rule. This is typified by the leadership of GetĂșlio Vargas, who became president after an uprising in 1930. Though initially embracing a degree of liberal democracy, he later established an authoritarian state in 1937 to counter both communist and fascist movements. Vargas' various terms in office reflect the oscillation between military and civilian governments that characterized Brazilian politics during the 20th century.
One notable leader during this time was GetĂșlio Vargas, who initially came to power through a military uprising in 1930 but later embraced a degree of liberal democracy. However, in 1937, Vargas established an authoritarian state to prevent leftists from being elected. He stepped down in 1945 but was reelected as president in