In most of early colonial america,
a: church membership and attendance were required.
b: church attendance was voluntary and widespread.
c: there were churches, but very few people attended them.
d: quakers, catholics, and jews enjoyed widespread support.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.

i think it was   tsar alexander ii