��

�

Only a fraction was left in the end

�

�

�

Even if you enter the second level

�

century

�

�

��

�

The epidemic is still here

�

Billions of people die

�

�

�

�

�

Nine

�

Year

�

Fight quickly

�

Conclusion

�

time

�

�

�

�

�Erupted on the French battlefield�

�

Times

�

epidemic

�

�

�We call him Spain�

�

�

�

�

�

�

Behind the front lines of the war at that time was...

�

A complete supply network

�

�

�ratio�

�

say

�

�The medicine is from the UK and the US

�

�

�Gasoline comes from the Middle East

�

�

�cow�

�

�These are from Argentina

�

�

�Rubber comes from Malaysia

�

�

�

Result�

�

�

�

Viruses just happen

�

This

�

set ever

�

Efficient logistics system

�

�

�

�very fast�

�
To be continued...