While Bitcoin is still in KUR with Fiat currency in each country, even though the world economy deterioran or improves the value of bitcoin remains safe, unless Bitcoin is no longer measured by Fiat.

Example:
You are in America, you are still measuring the price of Bitcoin with dollars or you are in another country, of course you are still measuring bitcoin with your local currency, even though in your country the economy is deteriorating.
Another example: Venezuela we all know the economy in the country is destroyed but Bitcoin is still safe there, they can still exchange or use bitcoin like other countries whose economies are stable and improved.

So it is not one reason for the economic destroyed, war or so on Bitcoin is not safe, Bitcoin remains safe.