Context: Though Brazilians of at least partial African heritage make up a large percentage of the population, few blacks have been elected as politicians. The city of Salvador, Bahia, for instance, is 80% people of color, but voters have not elected a mayor of color. Journalists like to say that US cities with black majorities, such as Detroit and New Orleans, have not elected white mayors since after the civil rights movement, when the Voting Rights Act of 1965 protected the franchise for minorities, and blacks in the South regained the power to vote for the first time since the turn of the 20th century. New Orleans elected its first black mayor in the 1970s. New Orleans elected a white mayor after the widescale disruption and damage of Hurricane Katrina in 2005.

Question: What race has a very low rate of holding public office in Brazil?
Answer: blacks

Question: How much of the population of Salvador, Bahia is black or mixed race?
Answer: 80%

Question: When did the US institute the Voting Rights Act?
Answer: 1965

Question: When did New Orleans elect it's first black Mayor?
Answer: 1970s

Question: What large hurricane hit New Orleans?
Answer: Hurricane Katrina