It is based on the assumption that the <span>diplomats will obey the laws of their country of residence. They don't have to abide by laws because they have immunity that protects them from prosecution. This was introduced to make it possible for diplomats to say what they wanted against those who ruled without being prosecuted.</span>
It established a permanent method for apportioning a constant 435 seats in the U.S. House of Representatives according to each census.
They have a common because they all share a location which can be implemented on maps
He says it is "mere" to show that it is an estimation