I believe the answer is inflation.
Inflation- rising prices due to an increase in the supply of money
King Henry the VIII accuses his wife of adultery, divorces her, and sends her to the headman's block to be beheaded.
He had 6 wives all in all. And he had prior relations to the succeeding wife before divorcing the preceding wife.
His wives were:
1) Catherine of Aragon - divorced
2) Anne Boleyn - beheaded
3) Jane Seymour - died
4) Ann of Cleves - divorced
5) Catherine Howard - beheaded
6) Kathering Parr - survived the King
The Soviets were setting up nuclear missiles in Cuba. This meant that they were now able in theory to launch a nuclear missile directly at large parts of the USA and it was therefore viewed as a threat by the USA. I hope that helps.
B. the sinking of the Luisitania because it is what drove the United States into World War I.