How much of the population did the Black Plague affect during time and the three centuries after

in this part of the declaration it refers to the point when american people didn't recognize the british domain and   breaks the political bands with britain, they forced a respectful separation.

mankind was created and entitled equally with rights   which were life, freedom and the seeking for happiness.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.

using the scientific method.

using the bering strait was the best transportation system.