Q: Is a capital city an emotional event? ¶
A: Yes.
Q: Is a capital city usually but not always a primary target in a war? ¶
A: Yes, as capturing it usually guarantees capture of much of the enemy government, victory for the attacking forces, or at the very least demoralization for the defeated forces.
Q: Was a capital city chosen to terminate squabbling or possible squabbling between various entities? ¶
A: Yes, such as in the cases of Canberra, Ottawa, Washington, and Wellington.