Unity is important for an effective functioning of a country and for prevention of conflicts: if there was no unity, people could not finish bigger projects that require cooperation with others.
Diversity is important for innovation and creativity: if we were all the same, little would change and sometimes change is for better.
Investment capital to reinvigorate agricultural production. Investment capital for increased industrial production,which would create new jobs for the freed slaves.
Your too young sorry dude
Jesus told the the parables about the lost sleep.