<span>Technology would be used in order to catalog everything and sort it. When cataloging data is key, automation makes this possible and there are so many methods that allow it to happen. Mainly robotics would be used to sort everything this eliminates flaws from humans, and would be more efficient.</span>
The answer is imperialism.
Assimilation was considered one of the keys to successful imperialism. According to Oxfords dictionary, imperialism is a policy of extending a country's power and influence through diplomacy or military force.
Put simply, the difference between a unitary and a federal government is that a unitary government puts its power in one central government while in a federal system the governing power is divided into federal and local governing bodies that connect to the national government.