A nation or empire can do it without bloodshed if both countries agree to it. It is called Annexation.
Allied leaders met at Yalta, Crimea to begin to prepare for the postwar period
Fear is something that happens instantly and is a defense mechanism and a phobia is an intense fear of something, phobias are generally built over time and can be very harmful. The amygdala keeps track of all of the bad things that happen too us and trigger us whenever we encounter that specific thing.
Having undertaken for the Glory of God, and Advancement of the Christian Faith, and the Honour of our King and Country, a voyage to plant the first colony in the northern parts of Virginia; do by these presents, solemnly and mutually in the Presence of God and one of another, covenant and combine ourselves together ...