Lives, but in terms of material possessions it most likely would be things like gold or money etc
The <em>Slave Trade-Export Compromise</em> <em>stated that slave trade could continue without interference from Congress for</em> 20 years, not 30. This Compromise effectively protected slave owners and the slave trade during 20 years ̶ until 1808. Congress could not prohibit slaves trade but they could place taxes on them as they were technically considered as merchandise.
World War I, which lasted through Jul 28, 1914 to Nov 11, 1918.
https://www.history.com/topics/world-war-i/world-war-i-history
Info at the link