False, this was a major flaw in wartime funding in the civil war.
The main reason for british colonization of Singapore was to obtain use of its harbor and ports. Singapore was in a very strategic position for certain trade and shipping routes.
That is false, the 14th amendment stated that everyone born in the United States was a citizen. :)
Some are more desirable because every person has a personal preference that appeals to them and if it isn't appealing to them or if society likes one more, it would naturally draw the to it.