I believe that finding the balance of drones would be putting a limit on how many drones a country can use at one time. I'm not sure on the other 2 questions.
Answer:
Colonial troops were regularly used for imperial defense to include Indians in importance part of UK European operations of defense and neighboring European conflict ie) France and Germany and many European conflicts. Other reasons are there were clashes in neighboring colonial areas between European conflicts that lead to power struggles.
Explanation:
The statement that is not characteristic of Incan government is Incan government was nonexistent. The government was centralized and featured an elaborate system of administrators.
The Declaration of Independence and the United States document.