Answer:
because he help us predict how a brain and it's winter my brain or how far the sea level will rise due to warmer temperature
The correct answer is C: the land has minimal capacity to feed the population
This would be an example of primary reinforcement
Although America fought in many wars since, World War 2 was the last time the nation declared war (actually against two nations at the time). One declaration of war with Japan, and one declaration of war with Germany. I hope this helped !!