In the 1970s and 1980s, labor unions commonly negotiated wage contracts that had which guaranteed that their wages would keep up with inflation

The correct answer is : Cost-of-living adjustments

Explanation:

They are a contractual provision that salary increases will keep up with inflation. It is normally equal to the percentage increase in the Consumer Price Index. It refers to a change in a person's monthly retirement benefit as well. It also helps to calculate how the wages go up as living expenses go up.

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.