Simplify the following text for a Grade 10 native English-speaking person.
Original: To finance more loans , McNamara told bank treasurer Eugene Rotberg to seek out new sources of capital outside of the northern banks that had been the primary sources of bank funding .
Simplified: To give out more loans , McNamara told bank treasurer Eugene Rotberg to find new sources of money , because the northern banks that had lent out the money did not have enough .