It would be between increased population, a steady stream of agricultural production, and technological advancements. As for the most important one of those three; that would be agricultural production.
that the program has voice recognition meaning only uses ur voice and a word to unlock things
The answers to your question are,
1. To reduce the amount in blocks or sizable amounts - Decimate
2. Food and drink; necessary foods in order to stay alive - Sustenance
3. The ancient power structures which were cities that were fortified into independent units of strength - City-States
4. Being into nobility or of a privileged upper-class - Aristocratic
-Mabel <3
a presidential candidate must be a natural born citizen of the United States, a resident for 14 years, and 35 years of age or older.
Russia is North of China and west