It is a LONG list. https://en.wikipedia.org/wiki/List_of_destroyed_heritage
Answer:
The Monroe Doctrine, established by President James Monroe in 1823, was a U.S. policy of opposing European colonialism in the Western ...
Explanation:
The past war crash in america occured after WW1 as the result of high inventories of manufactored goods with no local buyers and a drop-off in exports, and falling prices for farm produce
I believe the answer is inflation.
Inflation- rising prices due to an increase in the supply of money
