It has a couple of different meanings,
A journey/trip to a sacred place or a shrine (For e.g. religious buildings).
A long search, usually with some principled/moral significance.
Some synonyms:
Religious journey
Holy expedition
Mission
Trip etc.
The exact meaning depends on the context.
Hope this helps!
D) it us showing that all power eventually falls victim to time
Increased isolation, reduced social interaction and social skills, and increased human-to-machine interactions are all a result of an overuse of technology, which has created a wall between many people globally.
It is important because if their names were on the ration books, they would have been found out by the Nazis and taken away, like all of the other Jews.
I hope this answer helped you! If you have any further questions or concerns, feel free to ask! :)