1. Prices act like traffic lights, they tell us what to do. They are O Problems
O Obstacles to getting where we want to go
O Signals
Set by greedy men

The continents of africa and south america used to "fit together” like puzzle pieces. about how far back in time would you have to go to find the formation of the atlantic ocean? 600 million years 430 million years 200 million years 90 million years

The vietnam war was considered by many to be america’s first unopposed win independent war defeat

What were some benefits of the lewis and clark expedition?