England -> Great Britain -> Thirteen colonies -> Declare Independence -> USA would probably be the best option.
However, many events are tied to years on the historical timeline, so when not played from the bookmark, it works best if the independence is somewhat "on schedule". Similarly, because the events are heavily tied to historical situations, they have the premise that Great Britain is the former overlord nation, so you would want to form Great Britain first.
However, many events are tied to years on the historical timeline, so when not played from the bookmark, it works best if the independence is somewhat "on schedule". Similarly, because the events are heavily tied to historical situations, they have the premise that Great Britain is the former overlord nation, so you would want to form Great Britain first.