Final answer:
Brazil's path to democracy can be traced back to the mid-1970s when Portugal shifted away from authoritarianism and adopted democratic elections. This was part of the third wave of democratization. By the early 1990s, countries in eastern Europe also transitioned to democracy.
Step-by-step explanation:
Brazil's path to democracy can be traced back to the mid-1970s when Portugal shifted away from authoritarianism and adopted a constitution that created democratic elections. This was part of the third wave of democratization, where other authoritarian regimes like Spain, Taiwan, and South Korea also transitioned to democracy. By the early 1990s, countries in eastern Europe, including the Soviet Union, also transitioned to democracy.