Is the idea that members of a nation have primary duty, responsibility, and loyalty to their own nation.

Nationalism is the idea that members of a nation have primary duty, responsibility, and loyalty to their own nation. 

C) germany is the anwser

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.