30 years
It last for over 30 years until the Kansas-Nebraska Act of 1854
Answer:
Nazis singled out Jews and any other people who violated their racial laws
Explanation:
The world's population today is much larger than it has been in anytime in the history of the world, and has been continuing to grow ever since the Industrial Revolution, since this raised the living standards and increased in incomes of an enormous number of people, especially in the western world. Advances in medicine have also played a major role.
Militarism, Alliances, Imperialism, Nationalism
