Evil aliens have decided to kill everyone in Europe! Fortunately, they've given you 45 seconds to save as many as you can. All you have to do is name a country to save everyone in it.
There are many other dialects and lesser-spoken languages that are closely related to English and therefore easier to learn. As for the easiest? West Frisian is often said to be the closest related language to modern English. Scots is another contender, although it may be a dialect depending on your stance. Afrikaans or Dutch are also easier in the grand scheme of things.