Answer:
USSR
Explanation:
treaty between the US and USSR involving arms control
Answer:
Explanation:
they were helping each other so they could get there land back
B. Free African Americans
Underground Railroad is a passage African Americans used to escape slavery.
A form of collective social behavior that persists over a long period and gradually finds place as a tradition is called a custom. Examples:
Drinking a glass of wine with each meal--French custom (although that might changing due to economic woe and other variables)
Saying a prayer before each meal--Latin American custom (although it's a custom in other places too, and not every Latin American does this)
Answer:
D. the most desirable alternative given up as the result of a decision
Explanation:
Opportunity cost is the cost that that will be incurred as a result picking the desirable alternative out of the best possible alternatives.