Banking was the interesting one — the FIFA execs moved money and most bank wires (or ACH... I forget) end up going through the U.S. in one way or another if they're international.
Most bank wires/ACH using USD I can belive, but you can buy/sell/trade/transfer in other currencies, which in fact, lots of parts outside of the US constantly does :) In fact, the second largest market in the world trades mostly in EUR.
All US wire transfers go through a US custodian bank, so if you're sending USD, it's making a trip through the records of (generally) Wells Fargo. And then, bam, you're under US jurisdiction.