I believe it would be agriculture which brought them more money thus leading to a stronger economy.
In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. ... This enables better survival and reproduction compared with other members of the species, leading to evolution.
<span>The pope required that the monarchs make them convert to Christianity.</span>
Well there's is frozen sea weed and there is plankton and hair grass