What is true about the 1860 presidential election

What is it called when countries build lots of weapons to store and them in case of a war?

How did the nazis lead germany to war in europe and, with their collaborators, kill millions—including systematically murdering six million jewish people?

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less