Answer:
Using ISO containers worldwide is the correct answer.
Explanation:
Prohibition was hard to enforce because citizens always found a way around prohibitions rules, such as bootlegging and smuggling alcohol from canada
<span>A common problem in feudal society that the Church tried to stop during holy days and seasons were private wars among the nobles</span>
I believe the answer is one, I do not know much about Sputnik, but that seems to be the most logical option.