This will give you peace of mind, in that you can verify whether or not a professor has submitted a letter. It also gives you a polite way to ask a follow-up: I see that you haven't checked off the spreadsheet for X and it's due in three days.
Of the nearly 200 countries out there, the Brits have invaded all but 22. That is just about 90% of all countries! Mongolia, the Ivory Coast, Bolivia and Sweden are among the selective group of making it to 2013 without a British invasion. Here is the map showing where (pink) the British have invaded.
1 Germany then invades Belgium to have easy access to France. 2  Britain, allied to France with an existing treaty, declares war against Germany. 3  This was unexpected by Germany as they expected Britain to stay out of the war, due to the fact that the treaty with France was loosely worded and not entirely binding.