The best item is letter B: to protect against future economic crises.
The answer is b the largest organ is skin
The large supercontinent was named pangea before it split apart
Regarding this subject of History some comments:
In the 1840 Americans began their mayor push west of the Mississippi into lands that were largely unsettled except by the indigenous tribes.
Some went in search of land, some were in search of gold and silver and in the case of mormons in search of religion freedom.
During this time the city that grew to over 4000 people was santa fe.
