It is c)the sacco-vanzetti case
Because of regional differences especially those concerning the issue of slaver.
Answer:
1/3.
The Black plague wiped out about <em>1/3</em> of Europe's population.
- <em>1/3 is quite a lot.</em>
<em>I hope this helped at all.</em>
Answer is D. Shows that the states are willing to work together
