General Rosecrans further movement to the south was dependent on a secure source of provisions.
If anything, they need to be increased, and they need a secure source of funds.
We've gone around and around about what's more secure, open source or closed source?
With a secure source of safe water, we need next to consider the most desirable temperature range.
But the risk, if not zero, is low, and given the national need for secure sources of oil, it's a risk well worth taking.
And more important, it is enough oil to power our military with a stable and secure domestic source into the 22nd century.
The historic path to autonomy was a concern for secure sources of heat, power, water and food.
This industry is the safe, secure source of food and beverages for airline passengers.
In this way, the Internet will be, in addition to a secure source of knowledge, a valuable tool for business activity.
At an economic level, it signified someone with a "competence," a secure source of income without the need to resort to charity.