The opportunity cost of a choice is best described as

How does the concept of competition relate to the arms race between the us and the soviet union during the cold war?

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?

Select all that apply. which of the following are themes found in creation myths? where the first person came from who the descendants were which religion is the true religion how things were created a supreme being explanations for bad things how the world will end asap