With an ever expanding military used to expand its boundaries and borders. Empires also used the Natural Resources of conquered countries to 'feed itself'
Keep in mind 'natural resources' could also include people as slaves as well as raw materials used for manufacturing.
kapm
A person who studies outdoor survival skills as a sport or hobby.A person who tries to ensure their own survival or that of their social or national group.
Nothing, 'love' is irrelevant in the survival of living things.
Civilizations often transcend Empires and are not dependent on their survival. For example, Roman civilization was both a Republic and an Empire.
In a survival situation, it is important to find food within a few days to ensure your survival.
land,empires
Yes, survival is a universal motive as the instinct to survive is inherent in all living organisms. This drive to ensure one's own existence is fundamental to biological life and is essential for the continuation of species.
Community
As with any organism, that organism has to be important to itself to ensure survival.
to ensure the survival of a species.
The formics attacked Earth in "Ender's Game" because they were looking for a new habitable planet to colonize due to the crowded conditions on their own world. They perceived humanity as a threat to their survival and launched preemptive attacks to ensure their own species' survival.
To ensure its survival in its certain environment.
they are breedin them