Answer:
The comparative politics of North America
Explanation:
The population increased as the demand for oil increased
Answer:
1. A
2. D, this is also known as Blitzkreig
Getting a dental check up cost it can be expensive benefit it helps your teeth look better or make them better
Getting an extra hour of sleep cost it can mess your sleep schedule or make it harder to wake up when you have to a benefit could be that you get Mor rest meaning you get more energy
